210202131112131 has 16 divisors (see below), whose sum is σ = 281820559351968. Its totient is φ = 139359242764800.

The previous prime is 210202131112087. The next prime is 210202131112177. The reversal of 210202131112131 is 131211131202012.

It is not a de Polignac number, because 210202131112131 - 2⁷ = 210202131112003 is a prime.

It is a super-2 number, since 2×210202131112131² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 210202131112098 and 210202131112107.

It is not an unprimeable number, because it can be changed into a prime (210202131112531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59007961 + ... + 62468741.

It is an arithmetic number, because the mean of its divisors is an integer number (17613784959498).

Almost surely, 2^{210202131112131} is an apocalyptic number.

210202131112131 is a deficient number, since it is larger than the sum of its proper divisors (71618428239837).

210202131112131 is a wasteful number, since it uses less digits than its factorization.

210202131112131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3572822.

The product of its (nonzero) digits is 144, while the sum is 21.

Adding to 210202131112131 its reverse (131211131202012), we get a palindrome (341413262314143).

The spelling of 210202131112131 in words is "two hundred ten trillion, two hundred two billion, one hundred thirty-one million, one hundred twelve thousand, one hundred thirty-one".