202021121011112 has 64 divisors (see below), whose sum is σ = 413293489015680. Its totient is φ = 92020130779392.

The previous prime is 202021121011067. The next prime is 202021121011117. The reversal of 202021121011112 is 211110121120202.

It is not an unprimeable number, because it can be changed into a prime (202021121011117) 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, 29044538 + ... + 35321769.

It is an arithmetic number, because the mean of its divisors is an integer number (6457710765870).

Almost surely, 2^{202021121011112} is an apocalyptic number.

It is an amenable number.

202021121011112 is an abundant number, since it is smaller than the sum of its proper divisors (211272368004568).

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

202021121011112 is a wasteful number, since it uses less digits than its factorization.

202021121011112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64366722 (or 64366718 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 202021121011112 its reverse (211110121120202), we get a palindrome (413131242131314).

The spelling of 202021121011112 in words is "two hundred two trillion, twenty-one billion, one hundred twenty-one million, eleven thousand, one hundred twelve".