102021211110131 has 8 divisors (see below), whose sum is σ = 109675658081280. Its totient is φ = 94595255093448.

The previous prime is 102021211110113. The next prime is 102021211110151. The reversal of 102021211110131 is 131011112120201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102021211110131 - 2⁶ = 102021211110067 is a prime.

It is a super-2 number, since 2×102021211110131² (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 (102021211110151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57122737691 + ... + 57122739476.

It is an arithmetic number, because the mean of its divisors is an integer number (13709457260160).

Almost surely, 2^{102021211110131} is an apocalyptic number.

102021211110131 is a deficient number, since it is larger than the sum of its proper divisors (7654446971149).

102021211110131 is a wasteful number, since it uses less digits than its factorization.

102021211110131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114245477233.

The product of its (nonzero) digits is 24, while the sum is 17.

Adding to 102021211110131 its reverse (131011112120201), we get a palindrome (233032323230332).

The spelling of 102021211110131 in words is "one hundred two trillion, twenty-one billion, two hundred eleven million, one hundred ten thousand, one hundred thirty-one".