202021011221110 has 32 divisors (see below), whose sum is σ = 363817942405632. Its totient is φ = 80768379002880.

The previous prime is 202021011221053. The next prime is 202021011221149. The reversal of 202021011221110 is 11122110120202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1474612774 + ... + 1474749766.

It is an arithmetic number, because the mean of its divisors is an integer number (11369310700176).

Almost surely, 2^{202021011221110} is an apocalyptic number.

202021011221110 is a deficient number, since it is larger than the sum of its proper divisors (161796931184522).

202021011221110 is a wasteful number, since it uses less digits than its factorization.

202021011221110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208968.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 202021011221110 its reverse (11122110120202), we get a palindrome (213143121341312).

The spelling of 202021011221110 in words is "two hundred two trillion, twenty-one billion, eleven million, two hundred twenty-one thousand, one hundred ten".