102001022199974 has 4 divisors (see below), whose sum is σ = 153001533299964. Its totient is φ = 51000511099986.

The previous prime is 102001022199943. The next prime is 102001022199977. The reversal of 102001022199974 is 479991220100201.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102001022199977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25500255549992 + ... + 25500255549995.

It is an arithmetic number, because the mean of its divisors is an integer number (38250383324991).

Almost surely, 2^{102001022199974} is an apocalyptic number.

102001022199974 is a deficient number, since it is larger than the sum of its proper divisors (51000511099990).

102001022199974 is an equidigital number, since it uses as much as digits as its factorization.

102001022199974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51000511099989.

The product of its (nonzero) digits is 163296, while the sum is 47.

The spelling of 102001022199974 in words is "one hundred two trillion, one billion, twenty-two million, one hundred ninety-nine thousand, nine hundred seventy-four".