100020112121222 has 16 divisors (see below), whose sum is σ = 150397446468192. Its totient is φ = 49887661898880.

The previous prime is 100020112121219. The next prime is 100020112121231. The reversal of 100020112121222 is 222121211020001.

It is a self number, because there is not a number n which added to its sum of digits gives 100020112121222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1712354 + ... + 14246837.

It is an arithmetic number, because the mean of its divisors is an integer number (9399840404262).

Almost surely, 2^{100020112121222} is an apocalyptic number.

100020112121222 is a deficient number, since it is larger than the sum of its proper divisors (50377334346970).

100020112121222 is a wasteful number, since it uses less digits than its factorization.

100020112121222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15966863.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 100020112121222 its reverse (222121211020001), we get a palindrome (322141323141223).

The spelling of 100020112121222 in words is "one hundred trillion, twenty billion, one hundred twelve million, one hundred twenty-one thousand, two hundred twenty-two".