100121022121002 has 32 divisors (see below), whose sum is σ = 201028322880000. Its totient is φ = 33242772649968.

The previous prime is 100121022120947. The next prime is 100121022121009. The reversal of 100121022121002 is 200121220121001.

It is not an unprimeable number, because it can be changed into a prime (100121022121009) 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, 15369102 + ... + 20891417.

It is an arithmetic number, because the mean of its divisors is an integer number (6282135090000).

Almost surely, 2^{100121022121002} is an apocalyptic number.

100121022121002 is an abundant number, since it is smaller than the sum of its proper divisors (100907300758998).

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

100121022121002 is a wasteful number, since it uses less digits than its factorization.

100121022121002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36262330.

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

Adding to 100121022121002 its reverse (200121220121001), we get a palindrome (300242242242003).

The spelling of 100121022121002 in words is "one hundred trillion, one hundred twenty-one billion, twenty-two million, one hundred twenty-one thousand, two".