210102210121122 has 48 divisors (see below), whose sum is σ = 496606832467200. Its totient is φ = 63667130176800.

The previous prime is 210102210121081. The next prime is 210102210121123. The reversal of 210102210121122 is 221121012201012.

210102210121122 is a `hidden beast` number, since 210 + 1 + 0 + 2 + 210 + 121 + 122 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 210102210121095 and 210102210121104.

It is not an unprimeable number, because it can be changed into a prime (210102210121123) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 66356847 + ... + 69450957.

It is an arithmetic number, because the mean of its divisors is an integer number (10345975676400).

Almost surely, 2^{210102210121122} is an apocalyptic number.

210102210121122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

210102210121122 is an abundant number, since it is smaller than the sum of its proper divisors (286504622346078).

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

210102210121122 is a wasteful number, since it uses less digits than its factorization.

210102210121122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3437079 (or 3437076 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 210102210121122 its reverse (221121012201012), we get a palindrome (431223222322134).

The spelling of 210102210121122 in words is "two hundred ten trillion, one hundred two billion, two hundred ten million, one hundred twenty-one thousand, one hundred twenty-two".