100121101202222 has 64 divisors (see below), whose sum is σ = 154090795694400. Its totient is φ = 48772067036160.

The previous prime is 100121101202209. The next prime is 100121101202257. The reversal of 100121101202222 is 222202101121001.

It is a super-2 number, since 2×100121101202222² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 100121101202222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28290786929 + ... + 28290790467.

It is an arithmetic number, because the mean of its divisors is an integer number (2407668682725).

Almost surely, 2^{100121101202222} is an apocalyptic number.

100121101202222 is a deficient number, since it is larger than the sum of its proper divisors (53969694492178).

100121101202222 is a wasteful number, since it uses less digits than its factorization.

100121101202222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6581.

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

Adding to 100121101202222 its reverse (222202101121001), we get a palindrome (322323202323223).

The spelling of 100121101202222 in words is "one hundred trillion, one hundred twenty-one billion, one hundred one million, two hundred two thousand, two hundred twenty-two".