202021001102 has 32 divisors (see below), whose sum is σ = 308878190400. Its totient is φ = 99078432768.

The previous prime is 202021001089. The next prime is 202021001201. The reversal of 202021001102 is 201100120202.

It is a happy number.

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, 20118599 + ... + 20128637.

It is an arithmetic number, because the mean of its divisors is an integer number (9652443450).

Almost surely, 2^202021001102 is an apocalyptic number.

202021001102 is a deficient number, since it is larger than the sum of its proper divisors (106857189298).

202021001102 is a wasteful number, since it uses less digits than its factorization.

202021001102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10860.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 202021001102 its reverse (201100120202), we get a palindrome (403121121304).

The spelling of 202021001102 in words is "two hundred two billion, twenty-one million, one thousand, one hundred two".