100220212112122 has 16 divisors (see below), whose sum is σ = 156956210966592. Its totient is φ = 47903969345760.

The previous prime is 100220212112113. The next prime is 100220212112149. The reversal of 100220212112122 is 221211212022001.

It is a self number, because there is not a number n which added to its sum of digits gives 100220212112122.

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, 623474379 + ... + 623635102.

It is an arithmetic number, because the mean of its divisors is an integer number (9809763185412).

Almost surely, 2^{100220212112122} is an apocalyptic number.

100220212112122 is a deficient number, since it is larger than the sum of its proper divisors (56735998854470).

100220212112122 is a wasteful number, since it uses less digits than its factorization.

100220212112122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1247111253.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 100220212112122 its reverse (221211212022001), we get a palindrome (321431424134123).

The spelling of 100220212112122 in words is "one hundred trillion, two hundred twenty billion, two hundred twelve million, one hundred twelve thousand, one hundred twenty-two".