100120021110212 has 6 divisors (see below), whose sum is σ = 175210036942878. Its totient is φ = 50060010555104.

The previous prime is 100120021110181. The next prime is 100120021110227. The reversal of 100120021110212 is 212011120021001.

It can be written as a sum of positive squares in only one way, i.e., 94068932779396 + 6051088330816 = 9698914^2 + 2459896^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12515002638773 + ... + 12515002638780.

It is an arithmetic number, because the mean of its divisors is an integer number (29201672823813).

Almost surely, 2^{100120021110212} is an apocalyptic number.

It is an amenable number.

100120021110212 is a deficient number, since it is larger than the sum of its proper divisors (75090015832666).

100120021110212 is a wasteful number, since it uses less digits than its factorization.

100120021110212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25030005277557 (or 25030005277555 counting only the distinct ones).

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

Adding to 100120021110212 its reverse (212011120021001), we get a palindrome (312131141131213).

The spelling of 100120021110212 in words is "one hundred trillion, one hundred twenty billion, twenty-one million, one hundred ten thousand, two hundred twelve".