102011000220331 has 4 divisors (see below), whose sum is σ = 102032310231432. Its totient is φ = 101989690209232.

The previous prime is 102011000220329. The next prime is 102011000220383. The reversal of 102011000220331 is 133022000110201.

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 102011000220331 - 2¹ = 102011000220329 is a prime.

It is a super-2 number, since 2×102011000220331² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102011000220301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10654998370 + ... + 10655007943.

It is an arithmetic number, because the mean of its divisors is an integer number (25508077557858).

Almost surely, 2^{102011000220331} is an apocalyptic number.

102011000220331 is a deficient number, since it is larger than the sum of its proper divisors (21310011101).

102011000220331 is an equidigital number, since it uses as much as digits as its factorization.

102011000220331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21310011100.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 102011000220331 its reverse (133022000110201), we get a palindrome (235033000330532).

The spelling of 102011000220331 in words is "one hundred two trillion, eleven billion, two hundred twenty thousand, three hundred thirty-one".