202120021102 has 32 divisors (see below), whose sum is σ = 323398180800. Its totient is φ = 94411215360.

The previous prime is 202120021087. The next prime is 202120021121. The reversal of 202120021102 is 201120021202.

It is a happy number.

202120021102 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2813008 + ... + 2883964.

It is an arithmetic number, because the mean of its divisors is an integer number (10106193150).

Almost surely, 2^202120021102 is an apocalyptic number.

202120021102 is a deficient number, since it is larger than the sum of its proper divisors (121278159698).

202120021102 is a wasteful number, since it uses less digits than its factorization.

202120021102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71596.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 202120021102 its reverse (201120021202), we get a palindrome (403240042304).

The spelling of 202120021102 in words is "two hundred two billion, one hundred twenty million, twenty-one thousand, one hundred two".