100121212102211 has 16 divisors (see below), whose sum is σ = 105182159688000. Its totient is φ = 95119333803648.

The previous prime is 100121212102207. The next prime is 100121212102267. The reversal of 100121212102211 is 112201212121001.

It is a cyclic number.

It is not a de Polignac number, because 100121212102211 - 2² = 100121212102207 is a prime.

It is a super-2 number, since 2×100121212102211² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 100121212102211.

It is not an unprimeable number, because it can be changed into a prime (100121212102111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53490425 + ... + 55330533.

It is an arithmetic number, because the mean of its divisors is an integer number (6573884980500).

Almost surely, 2^{100121212102211} is an apocalyptic number.

100121212102211 is a deficient number, since it is larger than the sum of its proper divisors (5060947585789).

100121212102211 is a wasteful number, since it uses less digits than its factorization.

100121212102211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1856158.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 100121212102211 its reverse (112201212121001), we get a palindrome (212322424223212).

The spelling of 100121212102211 in words is "one hundred trillion, one hundred twenty-one billion, two hundred twelve million, one hundred two thousand, two hundred eleven".