210112121012102 has 4 divisors (see below), whose sum is σ = 315168181518156. Its totient is φ = 105056060506050.

The previous prime is 210112121012009. The next prime is 210112121012111. The reversal of 210112121012102 is 201210121211012.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52528030253024 + ... + 52528030253027.

It is an arithmetic number, because the mean of its divisors is an integer number (78792045379539).

Almost surely, 2^{210112121012102} is an apocalyptic number.

210112121012102 is a deficient number, since it is larger than the sum of its proper divisors (105056060506054).

210112121012102 is a wasteful number, since it uses less digits than its factorization.

210112121012102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105056060506053.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 210112121012102 its reverse (201210121211012), we get a palindrome (411322242223114).

The spelling of 210112121012102 in words is "two hundred ten trillion, one hundred twelve billion, one hundred twenty-one million, twelve thousand, one hundred two".