102155340354211 has 4 divisors (see below), whose sum is σ = 102156427403712. Its totient is φ = 102154253304712.

The previous prime is 102155340354209. The next prime is 102155340354229. The reversal of 102155340354211 is 112453043551201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 102155340354211 - 2¹ = 102155340354209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102155340354281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 543383776 + ... + 543571741.

It is an arithmetic number, because the mean of its divisors is an integer number (25539106850928).

Almost surely, 2^{102155340354211} is an apocalyptic number.

102155340354211 is a deficient number, since it is larger than the sum of its proper divisors (1087049501).

102155340354211 is an equidigital number, since it uses as much as digits as its factorization.

102155340354211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1087049500.

The product of its (nonzero) digits is 72000, while the sum is 37.

The spelling of 102155340354211 in words is "one hundred two trillion, one hundred fifty-five billion, three hundred forty million, three hundred fifty-four thousand, two hundred eleven".