202120112021102 has 32 divisors (see below), whose sum is σ = 331649697974400. Its totient is φ = 91620722138400.

The previous prime is 202120112021083. The next prime is 202120112021123. The reversal of 202120112021102 is 201120211021202.

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, 47413277 + ... + 51500087.

It is an arithmetic number, because the mean of its divisors is an integer number (10364053061700).

Almost surely, 2^{202120112021102} is an apocalyptic number.

202120112021102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

202120112021102 is a deficient number, since it is larger than the sum of its proper divisors (129529585953298).

202120112021102 is a wasteful number, since it uses less digits than its factorization.

202120112021102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4092992.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 202120112021102 its reverse (201120211021202), we get a palindrome (403240323042304).

The spelling of 202120112021102 in words is "two hundred two trillion, one hundred twenty billion, one hundred twelve million, twenty-one thousand, one hundred two".