101897211190 has 32 divisors (see below), whose sum is σ = 195461683200. Its totient is φ = 38157249504.

The previous prime is 101897211187. The next prime is 101897211301. The reversal of 101897211190 is 91112798101.

It is a super-2 number, since 2×101897211190² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4702290 + ... + 4723909.

It is an arithmetic number, because the mean of its divisors is an integer number (6108177600).

Almost surely, 2^101897211190 is an apocalyptic number.

101897211190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101897211190 is a deficient number, since it is larger than the sum of its proper divisors (93564472010).

101897211190 is a wasteful number, since it uses less digits than its factorization.

101897211190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9426276.

The product of its (nonzero) digits is 9072, while the sum is 40.

The spelling of 101897211190 in words is "one hundred one billion, eight hundred ninety-seven million, two hundred eleven thousand, one hundred ninety".