10201220021031 has 32 divisors (see below), whose sum is σ = 15513379838208. Its totient is φ = 5906938867200.

The previous prime is 10201220021017. The next prime is 10201220021033. The reversal of 10201220021031 is 13012002210201.

It is a de Polignac number, because none of the positive numbers 2^k-10201220021031 is a prime.

It is a super-2 number, since 2×10201220021031² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10201220021031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10201220021033) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 786720 + ... + 4584906.

It is an arithmetic number, because the mean of its divisors is an integer number (484793119944).

Almost surely, 2^{10201220021031} is an apocalyptic number.

10201220021031 is a deficient number, since it is larger than the sum of its proper divisors (5312159817177).

10201220021031 is a wasteful number, since it uses less digits than its factorization.

10201220021031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3802271.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 10201220021031 its reverse (13012002210201), we get a palindrome (23213222231232).

The spelling of 10201220021031 in words is "ten trillion, two hundred one billion, two hundred twenty million, twenty-one thousand, thirty-one".