102111221122039 has 2 divisors, whose sum is σ = 102111221122040. Its totient is φ = 102111221122038.

The previous prime is 102111221122021. The next prime is 102111221122181. The reversal of 102111221122039 is 930221122111201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102111221122039 - 2⁴⁵ = 66926849033207 is a prime.

It is a super-2 number, since 2×102111221122039² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102111221121998 and 102111221122016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102111221120039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51055610561019 + 51055610561020.

It is an arithmetic number, because the mean of its divisors is an integer number (51055610561020).

Almost surely, 2^{102111221122039} is an apocalyptic number.

102111221122039 is a deficient number, since it is larger than the sum of its proper divisors (1).

102111221122039 is an equidigital number, since it uses as much as digits as its factorization.

102111221122039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 28.

The spelling of 102111221122039 in words is "one hundred two trillion, one hundred eleven billion, two hundred twenty-one million, one hundred twenty-two thousand, thirty-nine".