101011111212222 has 24 divisors (see below), whose sum is σ = 219379740357960. Its totient is φ = 33590011522320.

The previous prime is 101011111212211. The next prime is 101011111212293. The reversal of 101011111212222 is 222212111110101.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 101011111212195 and 101011111212204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6696565729 + ... + 6696580812.

It is an arithmetic number, because the mean of its divisors is an integer number (9140822514915).

Almost surely, 2^{101011111212222} is an apocalyptic number.

101011111212222 is an abundant number, since it is smaller than the sum of its proper divisors (118368629145738).

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

101011111212222 is a wasteful number, since it uses less digits than its factorization.

101011111212222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13393146968 (or 13393146965 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 101011111212222 its reverse (222212111110101), we get a palindrome (323223222322323).

The spelling of 101011111212222 in words is "one hundred one trillion, eleven billion, one hundred eleven million, two hundred twelve thousand, two hundred twenty-two".