1201020211102 has 32 divisors (see below), whose sum is σ = 1973774505600. Its totient is φ = 545916980448.

The previous prime is 1201020211099. The next prime is 1201020211109. The reversal of 1201020211102 is 2011120201021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201020211109) 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, 3163488 + ... + 3522739.

It is an arithmetic number, because the mean of its divisors is an integer number (61680453300).

Almost surely, 2^{1201020211102} is an apocalyptic number.

1201020211102 is a deficient number, since it is larger than the sum of its proper divisors (772754294498).

1201020211102 is a wasteful number, since it uses less digits than its factorization.

1201020211102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6686440.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1201020211102 its reverse (2011120201021), we get a palindrome (3212140412123).

The spelling of 1201020211102 in words is "one trillion, two hundred one billion, twenty million, two hundred eleven thousand, one hundred two".