100212010121121 has 8 divisors (see below), whose sum is σ = 133705508486400. Its totient is φ = 66763259251632.

The previous prime is 100212010121077. The next prime is 100212010121137. The reversal of 100212010121121 is 121121010212001.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 100212010121121 - 2⁶ = 100212010121057 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100212010121121.

It is not an unprimeable number, because it can be changed into a prime (100212010121161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11186868721 + ... + 11186877678.

It is an arithmetic number, because the mean of its divisors is an integer number (16713188560800).

Almost surely, 2^{100212010121121} is an apocalyptic number.

It is an amenable number.

100212010121121 is a deficient number, since it is larger than the sum of its proper divisors (33493498365279).

100212010121121 is a wasteful number, since it uses less digits than its factorization.

100212010121121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22373747895.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 100212010121121 its reverse (121121010212001), we get a palindrome (221333020333122).

The spelling of 100212010121121 in words is "one hundred trillion, two hundred twelve billion, ten million, one hundred twenty-one thousand, one hundred twenty-one".