100120002121211 has 24 divisors (see below), whose sum is σ = 109818094848000. Its totient is φ = 91164803241600.

The previous prime is 100120002121193. The next prime is 100120002121301. The reversal of 100120002121211 is 112121200021001.

It is not a de Polignac number, because 100120002121211 - 2⁶ = 100120002121147 is a prime.

It is a super-2 number, since 2×100120002121211² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100120002121411) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29750606 + ... + 32944476.

It is an arithmetic number, because the mean of its divisors is an integer number (4575753952000).

Almost surely, 2^{100120002121211} is an apocalyptic number.

100120002121211 is a deficient number, since it is larger than the sum of its proper divisors (9698092726789).

100120002121211 is a wasteful number, since it uses less digits than its factorization.

100120002121211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3197435 (or 3197418 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 100120002121211 its reverse (112121200021001), we get a palindrome (212241202142212).

The spelling of 100120002121211 in words is "one hundred trillion, one hundred twenty billion, two million, one hundred twenty-one thousand, two hundred eleven".