210222221012120 has 32 divisors (see below), whose sum is σ = 473004061358400. Its totient is φ = 84088165901568.

The previous prime is 210222221012101. The next prime is 210222221012131. The reversal of 210222221012120 is 21210122222012.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 210222221012092 and 210222221012101.

It is a congruent number.

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, 17852405 + ... + 27187364.

It is an arithmetic number, because the mean of its divisors is an integer number (14781376917450).

Almost surely, 2^{210222221012120} is an apocalyptic number.

210222221012120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210222221012120 is an abundant number, since it is smaller than the sum of its proper divisors (262781840346280).

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

210222221012120 is a wasteful number, since it uses less digits than its factorization.

210222221012120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45156467 (or 45156463 counting only the distinct ones).

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

Adding to 210222221012120 its reverse (21210122222012), we get a palindrome (231432343234132).

The spelling of 210222221012120 in words is "two hundred ten trillion, two hundred twenty-two billion, two hundred twenty-one million, twelve thousand, one hundred twenty".