2101111221202 has 16 divisors (see below), whose sum is σ = 3612108655872. Its totient is φ = 897925311360.

The previous prime is 2101111221197. The next prime is 2101111221217. The reversal of 2101111221202 is 2021221111012.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 212572074 + ... + 212581957.

It is an arithmetic number, because the mean of its divisors is an integer number (225756790992).

Almost surely, 2^{2101111221202} is an apocalyptic number.

2101111221202 is a deficient number, since it is larger than the sum of its proper divisors (1510997434670).

2101111221202 is a wasteful number, since it uses less digits than its factorization.

2101111221202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425154393.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 2101111221202 its reverse (2021221111012), we get a palindrome (4122332332214).

The spelling of 2101111221202 in words is "two trillion, one hundred one billion, one hundred eleven million, two hundred twenty-one thousand, two hundred two".