101240004020111 has 32 divisors (see below), whose sum is σ = 112381637906496. Its totient is φ = 90424833408000.

The previous prime is 101240004020087. The next prime is 101240004020137. The reversal of 101240004020111 is 111020400042101.

It is a cyclic number.

It is not a de Polignac number, because 101240004020111 - 2¹⁴ = 101240004003727 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 101240004020111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101240004020171) 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, 4075508051 + ... + 4075532891.

It is an arithmetic number, because the mean of its divisors is an integer number (3511926184578).

Almost surely, 2^{101240004020111} is an apocalyptic number.

101240004020111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

101240004020111 is a deficient number, since it is larger than the sum of its proper divisors (11141633886385).

101240004020111 is a wasteful number, since it uses less digits than its factorization.

101240004020111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31563.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 101240004020111 its reverse (111020400042101), we get a palindrome (212260404062212).

The spelling of 101240004020111 in words is "one hundred one trillion, two hundred forty billion, four million, twenty thousand, one hundred eleven".