210122002022120 has 32 divisors (see below), whose sum is σ = 472778204650920. Its totient is φ = 84048143013120.

The previous prime is 210122002022099. The next prime is 210122002022129. The reversal of 210122002022120 is 21220200221012.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 204492116405476 + 5629885616644 = 14300074^2 + 2372738^2 .

It is not an unprimeable number, because it can be changed into a prime (210122002022129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15365111 + ... + 25618950.

Almost surely, 2^{210122002022120} is an apocalyptic number.

210122002022120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210122002022120 is an abundant number, since it is smaller than the sum of its proper divisors (262656202628800).

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

210122002022120 is a wasteful number, since it uses less digits than its factorization.

210122002022120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41112245 (or 41112241 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 210122002022120 its reverse (21220200221012), we get a palindrome (231342202243132).

The spelling of 210122002022120 in words is "two hundred ten trillion, one hundred twenty-two billion, two million, twenty-two thousand, one hundred twenty".