102122101019973 has 4 divisors (see below), whose sum is σ = 136162801359968. Its totient is φ = 68081400679980.

The previous prime is 102122101019921. The next prime is 102122101019993. The reversal of 102122101019973 is 379910101221201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 102122101019973 - 2⁶ = 102122101019909 is a prime.

It is a super-4 number, since 4×102122101019973⁴ (a number of 57 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102122101019993) 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, 17020350169993 + ... + 17020350169998.

It is an arithmetic number, because the mean of its divisors is an integer number (34040700339992).

Almost surely, 2^{102122101019973} is an apocalyptic number.

It is an amenable number.

102122101019973 is a deficient number, since it is larger than the sum of its proper divisors (34040700339995).

102122101019973 is an equidigital number, since it uses as much as digits as its factorization.

102122101019973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34040700339994.

The product of its (nonzero) digits is 13608, while the sum is 39.

The spelling of 102122101019973 in words is "one hundred two trillion, one hundred twenty-two billion, one hundred one million, nineteen thousand, nine hundred seventy-three".