102021331311011 has 48 divisors (see below), whose sum is σ = 122916577442400. Its totient is φ = 84330854479872.

The previous prime is 102021331310989. The next prime is 102021331311013. The reversal of 102021331311011 is 110113133120201.

It is not a de Polignac number, because 102021331311011 - 2¹⁰ = 102021331309987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102021331311013) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4329714116 + ... + 4329737678.

It is an arithmetic number, because the mean of its divisors is an integer number (2560762030050).

Almost surely, 2^{102021331311011} is an apocalyptic number.

102021331311011 is a deficient number, since it is larger than the sum of its proper divisors (20895246131389).

102021331311011 is a wasteful number, since it uses less digits than its factorization.

102021331311011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27108 (or 27101 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 102021331311011 its reverse (110113133120201), we get a palindrome (212134464431212).

The spelling of 102021331311011 in words is "one hundred two trillion, twenty-one billion, three hundred thirty-one million, three hundred eleven thousand, eleven".