1202021112102 has 16 divisors (see below), whose sum is σ = 2530570762560. Its totient is φ = 379585614312.

The previous prime is 1202021112091. The next prime is 1202021112157. The reversal of 1202021112102 is 2012111202021.

It is a congruent number.

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, 5272022308 + ... + 5272022535.

It is an arithmetic number, because the mean of its divisors is an integer number (158160672660).

Almost surely, 2^{1202021112102} is an apocalyptic number.

1202021112102 is an abundant number, since it is smaller than the sum of its proper divisors (1328549650458).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1202021112102 is a wasteful number, since it uses less digits than its factorization.

1202021112102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10544044867.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1202021112102 its reverse (2012111202021), we get a palindrome (3214132314123).

The spelling of 1202021112102 in words is "one trillion, two hundred two billion, twenty-one million, one hundred twelve thousand, one hundred two".