100121020012122 has 16 divisors (see below), whose sum is σ = 208948215677760. Its totient is φ = 31922644061792.

The previous prime is 100121020012087. The next prime is 100121020012127. The reversal of 100121020012122 is 221210020121001.

It is not an unprimeable number, because it can be changed into a prime (100121020012127) 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, 362757318747 + ... + 362757319022.

It is an arithmetic number, because the mean of its divisors is an integer number (13059263479860).

Almost surely, 2^{100121020012122} is an apocalyptic number.

100121020012122 is an abundant number, since it is smaller than the sum of its proper divisors (108827195665638).

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

100121020012122 is a wasteful number, since it uses less digits than its factorization.

100121020012122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 725514637797.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 100121020012122 its reverse (221210020121001), we get a palindrome (321331040133123).

The spelling of 100121020012122 in words is "one hundred trillion, one hundred twenty-one billion, twenty million, twelve thousand, one hundred twenty-two".