100121211112202 has 24 divisors (see below), whose sum is σ = 183896102046240. Its totient is φ = 40650717292920.

The previous prime is 100121211112157. The next prime is 100121211112211. The reversal of 100121211112202 is 202211112121001.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26885393174 + ... + 26885396897.

It is an arithmetic number, because the mean of its divisors is an integer number (7662337585260).

Almost surely, 2^{100121211112202} is an apocalyptic number.

100121211112202 is a deficient number, since it is larger than the sum of its proper divisors (83774890934038).

100121211112202 is a wasteful number, since it uses less digits than its factorization.

100121211112202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53770790106 (or 53770790099 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 100121211112202 its reverse (202211112121001), we get a palindrome (302332323233203).

The spelling of 100121211112202 in words is "one hundred trillion, one hundred twenty-one billion, two hundred eleven million, one hundred twelve thousand, two hundred two".