210012222131 has 4 divisors (see below), whose sum is σ = 221065497000. Its totient is φ = 198958947264.

The previous prime is 210012222107. The next prime is 210012222143. The reversal of 210012222131 is 131222210012.

210012222131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 210012222131 - 2⁶ = 210012222067 is a prime.

It is a super-2 number, since 2×210012222131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210012221131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5526637406 + ... + 5526637443.

It is an arithmetic number, because the mean of its divisors is an integer number (55266374250).

Almost surely, 2^210012222131 is an apocalyptic number.

210012222131 is a deficient number, since it is larger than the sum of its proper divisors (11053274869).

210012222131 is a wasteful number, since it uses less digits than its factorization.

210012222131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11053274868.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 210012222131 its reverse (131222210012), we get a palindrome (341234432143).

The spelling of 210012222131 in words is "two hundred ten billion, twelve million, two hundred twenty-two thousand, one hundred thirty-one".