100201211001001 has 16 divisors (see below), whose sum is σ = 109966096171008. Its totient is φ = 90545617747600.

The previous prime is 100201211000971. The next prime is 100201211001007. The reversal of 100201211001001 is 100100112102001.

It is a cyclic number.

It is not a de Polignac number, because 100201211001001 - 2⁹ = 100201211000489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100201211001007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 229743306 + ... + 230179036.

It is an arithmetic number, because the mean of its divisors is an integer number (6872881010688).

Almost surely, 2^{100201211001001} is an apocalyptic number.

100201211001001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

100201211001001 is a deficient number, since it is larger than the sum of its proper divisors (9764885170007).

100201211001001 is a wasteful number, since it uses less digits than its factorization.

100201211001001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561092.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 100201211001001 its reverse (100100112102001), we get a palindrome (200301323103002).

The spelling of 100201211001001 in words is "one hundred trillion, two hundred one billion, two hundred eleven million, one thousand, one".