101897211222 has 20 divisors (see below), whose sum is σ = 228325232916. Its totient is φ = 33965737020.

The previous prime is 101897211187. The next prime is 101897211301. The reversal of 101897211222 is 222112798101.

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 9 ways as a sum of consecutive naturals, for example, 314497404 + ... + 314497727.

Almost surely, 2^101897211222 is an apocalyptic number.

101897211222 is an abundant number, since it is smaller than the sum of its proper divisors (126428021694).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101897211222 is an equidigital number, since it uses as much as digits as its factorization.

101897211222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628995145 (or 628995136 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 36.

The spelling of 101897211222 in words is "one hundred one billion, eight hundred ninety-seven million, two hundred eleven thousand, two hundred twenty-two".