101012001222 has 16 divisors (see below), whose sum is σ = 220389820992. Its totient is φ = 30609697320.

The previous prime is 101012001221. The next prime is 101012001257. The reversal of 101012001222 is 222100210101.

It is a junction number, because it is equal to n+sod(n) for n = 101012001198 and 101012001207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101012001221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 765242368 + ... + 765242499.

It is an arithmetic number, because the mean of its divisors is an integer number (13774363812).

Almost surely, 2^101012001222 is an apocalyptic number.

101012001222 is an abundant number, since it is smaller than the sum of its proper divisors (119377819770).

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

101012001222 is a wasteful number, since it uses less digits than its factorization.

101012001222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1530484883.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 101012001222 its reverse (222100210101), we get a palindrome (323112211323).

The spelling of 101012001222 in words is "one hundred one billion, twelve million, one thousand, two hundred twenty-two".