202021212110 has 16 divisors (see below), whose sum is σ = 363666373056. Its totient is φ = 80802220128.

The previous prime is 202021212109. The next prime is 202021212143. The reversal of 202021212110 is 11212120202.

It is a super-2 number, since 2×202021212110² (a number of 23 digits) contains 22 as substring.

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, 646517 + ... + 906656.

It is an arithmetic number, because the mean of its divisors is an integer number (22729148316).

Almost surely, 2^202021212110 is an apocalyptic number.

202021212110 is a deficient number, since it is larger than the sum of its proper divisors (161645160946).

202021212110 is a wasteful number, since it uses less digits than its factorization.

202021212110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1566187.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 202021212110 its reverse (11212120202), we get a palindrome (213233332312).

The spelling of 202021212110 in words is "two hundred two billion, twenty-one million, two hundred twelve thousand, one hundred ten".