100122200121212 has 6 divisors (see below), whose sum is σ = 175213850212128. Its totient is φ = 50061100060604.

The previous prime is 100122200121107. The next prime is 100122200121241. The reversal of 100122200121212 is 212121002221001.

It is a super-2 number, since 2×100122200121212² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12515275015148 + ... + 12515275015155.

It is an arithmetic number, because the mean of its divisors is an integer number (29202308368688).

Almost surely, 2^{100122200121212} is an apocalyptic number.

It is an amenable number.

100122200121212 is a deficient number, since it is larger than the sum of its proper divisors (75091650090916).

100122200121212 is a wasteful number, since it uses less digits than its factorization.

100122200121212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25030550030307 (or 25030550030305 counting only the distinct ones).

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

Adding to 100122200121212 its reverse (212121002221001), we get a palindrome (312243202342213).

The spelling of 100122200121212 in words is "one hundred trillion, one hundred twenty-two billion, two hundred million, one hundred twenty-one thousand, two hundred twelve".