101051190998 has 4 divisors (see below), whose sum is σ = 151576786500. Its totient is φ = 50525595498.

The previous prime is 101051190997. The next prime is 101051191001. The reversal of 101051190998 is 899091150101.

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

It is a super-2 number, since 2×101051190998² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101051190997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25262797748 + ... + 25262797751.

It is an arithmetic number, because the mean of its divisors is an integer number (37894196625).

Almost surely, 2^101051190998 is an apocalyptic number.

101051190998 is a deficient number, since it is larger than the sum of its proper divisors (50525595502).

101051190998 is an equidigital number, since it uses as much as digits as its factorization.

101051190998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50525595501.

The product of its (nonzero) digits is 29160, while the sum is 44.

The spelling of 101051190998 in words is "one hundred one billion, fifty-one million, one hundred ninety thousand, nine hundred ninety-eight".