101020111121998 has 8 divisors (see below), whose sum is σ = 151534343823192. Its totient is φ = 50508663180936.

The previous prime is 101020111121981. The next prime is 101020111121999. The reversal of 101020111121998 is 899121111020101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×101020111121998² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101020111121999) 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, 696099340 + ... + 696244447.

It is an arithmetic number, because the mean of its divisors is an integer number (18941792977899).

Almost surely, 2^{101020111121998} is an apocalyptic number.

101020111121998 is a deficient number, since it is larger than the sum of its proper divisors (50514232701194).

101020111121998 is a wasteful number, since it uses less digits than its factorization.

101020111121998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1392380066.

The product of its (nonzero) digits is 2592, while the sum is 37.

The spelling of 101020111121998 in words is "one hundred one trillion, twenty billion, one hundred eleven million, one hundred twenty-one thousand, nine hundred ninety-eight".