202021112102010 has 128 divisors (see below), whose sum is σ = 527833125485568. Its totient is φ = 49284135936000.

The previous prime is 202021112101999. The next prime is 202021112102053. The reversal of 202021112102010 is 10201211120202.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12158961 + ... + 23492180.

It is an arithmetic number, because the mean of its divisors is an integer number (4123696292856).

Almost surely, 2^{202021112102010} is an apocalyptic number.

202021112102010 is an abundant number, since it is smaller than the sum of its proper divisors (325812013383558).

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

202021112102010 is a wasteful number, since it uses less digits than its factorization.

202021112102010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35651480.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 202021112102010 its reverse (10201211120202), we get a palindrome (212222323222212).

The spelling of 202021112102010 in words is "two hundred two trillion, twenty-one billion, one hundred twelve million, one hundred two thousand, ten".