100121222102122 has 32 divisors (see below), whose sum is σ = 171333731520000. Its totient is φ = 43469814544128.

The previous prime is 100121222102119. The next prime is 100121222102123. The reversal of 100121222102122 is 221201222121001.

It is a self number, because there is not a number n which added to its sum of digits gives 100121222102122.

It is not an unprimeable number, because it can be changed into a prime (100121222102123) 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, 55774422 + ... + 57541537.

It is an arithmetic number, because the mean of its divisors is an integer number (5354179110000).

Almost surely, 2^{100121222102122} is an apocalyptic number.

100121222102122 is a deficient number, since it is larger than the sum of its proper divisors (71212509417878).

100121222102122 is a wasteful number, since it uses less digits than its factorization.

100121222102122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113317990.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 100121222102122 its reverse (221201222121001), we get a palindrome (321322444223123).

The spelling of 100121222102122 in words is "one hundred trillion, one hundred twenty-one billion, two hundred twenty-two million, one hundred two thousand, one hundred twenty-two".