101111222022012 has 72 divisors (see below), whose sum is σ = 264426766007040. Its totient is φ = 32538252700800.

The previous prime is 101111222021989. The next prime is 101111222022059. The reversal of 101111222022012 is 210220222111101.

101111222022012 is a `hidden beast` number, since 101 + 1 + 112 + 220 + 220 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5445733 + ... + 15227555.

It is an arithmetic number, because the mean of its divisors is an integer number (3672593972320).

Almost surely, 2^{101111222022012} is an apocalyptic number.

101111222022012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

101111222022012 is an abundant number, since it is smaller than the sum of its proper divisors (163315543985028).

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

101111222022012 is a wasteful number, since it uses less digits than its factorization.

101111222022012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9791763 (or 9791758 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 101111222022012 its reverse (210220222111101), we get a palindrome (311331444133113).

The spelling of 101111222022012 in words is "one hundred one trillion, one hundred eleven billion, two hundred twenty-two million, twenty-two thousand, twelve".