100121220001112 has 8 divisors (see below), whose sum is σ = 187727287502100. Its totient is φ = 50060610000552.

The previous prime is 100121220001097. The next prime is 100121220001247. The reversal of 100121220001112 is 211100022121001.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×100121220001112² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6257576250062 + ... + 6257576250077.

Almost surely, 2^{100121220001112} is an apocalyptic number.

It is an amenable number.

100121220001112 is a deficient number, since it is larger than the sum of its proper divisors (87606067500988).

100121220001112 is a wasteful number, since it uses less digits than its factorization.

100121220001112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12515152500145 (or 12515152500141 counting only the distinct ones).

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

Adding to 100121220001112 its reverse (211100022121001), we get a palindrome (311221242122113).

The spelling of 100121220001112 in words is "one hundred trillion, one hundred twenty-one billion, two hundred twenty million, one thousand, one hundred twelve".