102001010219974 has 4 divisors (see below), whose sum is σ = 153001515329964. Its totient is φ = 51000505109986.

The previous prime is 102001010219959. The next prime is 102001010219981. The reversal of 102001010219974 is 479912010100201.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25500252554992 + ... + 25500252554995.

It is an arithmetic number, because the mean of its divisors is an integer number (38250378832491).

Almost surely, 2^{102001010219974} is an apocalyptic number.

102001010219974 is a deficient number, since it is larger than the sum of its proper divisors (51000505109990).

102001010219974 is an equidigital number, since it uses as much as digits as its factorization.

102001010219974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51000505109989.

The product of its (nonzero) digits is 9072, while the sum is 37.

The spelling of 102001010219974 in words is "one hundred two trillion, one billion, ten million, two hundred nineteen thousand, nine hundred seventy-four".