210021120222122 has 16 divisors (see below), whose sum is σ = 343675410339744. Its totient is φ = 95462899350000.

The previous prime is 210021120222113. The next prime is 210021120222131. The reversal of 210021120222122 is 221222021120012.

It is an interprime number because it is at equal distance from previous prime (210021120222113) and next prime (210021120222131).

It is a junction number, because it is equal to n+sod(n) for n = 210021120222094 and 210021120222103.

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, 60585629 + ... + 63958272.

It is an arithmetic number, because the mean of its divisors is an integer number (21479713146234).

Almost surely, 2^{210021120222122} is an apocalyptic number.

210021120222122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

210021120222122 is a deficient number, since it is larger than the sum of its proper divisors (133654290117622).

210021120222122 is a wasteful number, since it uses less digits than its factorization.

210021120222122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124620565.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 210021120222122 its reverse (221222021120012), we get a palindrome (431243141342134).

The spelling of 210021120222122 in words is "two hundred ten trillion, twenty-one billion, one hundred twenty million, two hundred twenty-two thousand, one hundred twenty-two".