101211220986 has 32 divisors (see below), whose sum is σ = 207011341440. Its totient is φ = 32980437504.

The previous prime is 101211220967. The next prime is 101211220991. The reversal of 101211220986 is 689022112101.

It is a super-2 number, since 2×101211220986² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 972966 + ... + 1071953.

It is an arithmetic number, because the mean of its divisors is an integer number (6469104420).

Almost surely, 2^101211220986 is an apocalyptic number.

101211220986 is an abundant number, since it is smaller than the sum of its proper divisors (105800120454).

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

101211220986 is a wasteful number, since it uses less digits than its factorization.

101211220986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2045110.

The product of its (nonzero) digits is 3456, while the sum is 33.

The spelling of 101211220986 in words is "one hundred one billion, two hundred eleven million, two hundred twenty thousand, nine hundred eighty-six".