102154374011 has 4 divisors (see below), whose sum is σ = 102375010272. Its totient is φ = 101933737752.

The previous prime is 102154373987. The next prime is 102154374041. The reversal of 102154374011 is 110473451201.

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 102154374011 - 2⁶ = 102154373947 is a prime.

It is a super-2 number, since 2×102154374011² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102154374041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110317436 + ... + 110318361.

It is an arithmetic number, because the mean of its divisors is an integer number (25593752568).

Almost surely, 2^102154374011 is an apocalyptic number.

102154374011 is a deficient number, since it is larger than the sum of its proper divisors (220636261).

102154374011 is an equidigital number, since it uses as much as digits as its factorization.

102154374011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220636260.

The product of its (nonzero) digits is 3360, while the sum is 29.

The spelling of 102154374011 in words is "one hundred two billion, one hundred fifty-four million, three hundred seventy-four thousand, eleven".