210022021012120 has 64 divisors (see below), whose sum is σ = 474346507320000. Its totient is φ = 83689401881088.

The previous prime is 210022021012087. The next prime is 210022021012147. The reversal of 210022021012120 is 21210120220012.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 210022021012094 and 210022021012103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126823206 + ... + 128468554.

It is an arithmetic number, because the mean of its divisors is an integer number (7411664176875).

Almost surely, 2^{210022021012120} is an apocalyptic number.

210022021012120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210022021012120 is an abundant number, since it is smaller than the sum of its proper divisors (264324486307880).

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

210022021012120 is a wasteful number, since it uses less digits than its factorization.

210022021012120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1657492 (or 1657488 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 210022021012120 its reverse (21210120220012), we get a palindrome (231232141232132).

The spelling of 210022021012120 in words is "two hundred ten trillion, twenty-two billion, twenty-one million, twelve thousand, one hundred twenty".