100121211120102 has 16 divisors (see below), whose sum is σ = 201348733967472. Its totient is φ = 33189351752160.

The previous prime is 100121211120079. The next prime is 100121211120149. The reversal of 100121211120102 is 201021112121001.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46096320793 + ... + 46096322964.

It is an arithmetic number, because the mean of its divisors is an integer number (12584295872967).

Almost surely, 2^{100121211120102} is an apocalyptic number.

100121211120102 is an abundant number, since it is smaller than the sum of its proper divisors (101227522847370).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100121211120102 is a wasteful number, since it uses less digits than its factorization.

100121211120102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92192643943.

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

Adding to 100121211120102 its reverse (201021112121001), we get a palindrome (301142323241103).

The spelling of 100121211120102 in words is "one hundred trillion, one hundred twenty-one billion, two hundred eleven million, one hundred twenty thousand, one hundred two".