102021411203111 has 16 divisors (see below), whose sum is σ = 106371400500000. Its totient is φ = 97728428493696.

The previous prime is 102021411203069. The next prime is 102021411203113. The reversal of 102021411203111 is 111302114120201.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 102021411203111 - 2¹⁴ = 102021411186727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102021411203113) 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, 10031336 + ... + 17454813.

It is an arithmetic number, because the mean of its divisors is an integer number (6648212531250).

Almost surely, 2^{102021411203111} is an apocalyptic number.

102021411203111 is a deficient number, since it is larger than the sum of its proper divisors (4349989296889).

102021411203111 is a wasteful number, since it uses less digits than its factorization.

102021411203111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27487186.

The product of its (nonzero) digits is 96, while the sum is 20.

Adding to 102021411203111 its reverse (111302114120201), we get a palindrome (213323525323312).

The spelling of 102021411203111 in words is "one hundred two trillion, twenty-one billion, four hundred eleven million, two hundred three thousand, one hundred eleven".