210012221021031 has 96 divisors (see below), whose sum is σ = 358112530024704. Its totient is φ = 116920440000000.

The previous prime is 210012221021023. The next prime is 210012221021033. The reversal of 210012221021031 is 130120122210012.

210012221021031 is a `hidden beast` number, since 210 + 0 + 1 + 2 + 2 + 210 + 210 + 31 = 666.

It is not a de Polignac number, because 210012221021031 - 2³ = 210012221021023 is a prime.

It is a super-2 number, since 2×210012221021031² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 210012221020995 and 210012221021013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210012221021033) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 375412531 + ... + 375971531.

It is an arithmetic number, because the mean of its divisors is an integer number (3730338854424).

Almost surely, 2^{210012221021031} is an apocalyptic number.

210012221021031 is a deficient number, since it is larger than the sum of its proper divisors (148100309003673).

210012221021031 is a wasteful number, since it uses less digits than its factorization.

210012221021031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560445 (or 560442 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 210012221021031 its reverse (130120122210012), we get a palindrome (340132343231043).

The spelling of 210012221021031 in words is "two hundred ten trillion, twelve billion, two hundred twenty-one million, twenty-one thousand, thirty-one".