100012020111222 has 32 divisors (see below), whose sum is σ = 200246617912320. Its totient is φ = 33300245543040.

The previous prime is 100012020111181. The next prime is 100012020111229. The reversal of 100012020111222 is 222111020210001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100012020111229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 249379822 + ... + 249780542.

It is an arithmetic number, because the mean of its divisors is an integer number (6257706809760).

Almost surely, 2^{100012020111222} is an apocalyptic number.

100012020111222 is an abundant number, since it is smaller than the sum of its proper divisors (100234597801098).

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

100012020111222 is a wasteful number, since it uses less digits than its factorization.

100012020111222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446908.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 100012020111222 its reverse (222111020210001), we get a palindrome (322123040321223).

The spelling of 100012020111222 in words is "one hundred trillion, twelve billion, twenty million, one hundred eleven thousand, two hundred twenty-two".