100121210011122 has 32 divisors (see below), whose sum is σ = 201802295365632. Its totient is φ = 33113994770304.

The previous prime is 100121210011111. The next prime is 100121210011129. The reversal of 100121210011122 is 221110012121001.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (100121210011129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27976818 + ... + 31351949.

It is an arithmetic number, because the mean of its divisors is an integer number (6306321730176).

Almost surely, 2^{100121210011122} is an apocalyptic number.

100121210011122 is an abundant number, since it is smaller than the sum of its proper divisors (101681085354510).

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

100121210011122 is a wasteful number, since it uses less digits than its factorization.

100121210011122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59330962.

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

Adding to 100121210011122 its reverse (221110012121001), we get a palindrome (321231222132123).

The spelling of 100121210011122 in words is "one hundred trillion, one hundred twenty-one billion, two hundred ten million, eleven thousand, one hundred twenty-two".