100121001212202 has 64 divisors (see below), whose sum is σ = 205798938928128. Its totient is φ = 32452865840000.

The previous prime is 100121001212107. The next prime is 100121001212203. The reversal of 100121001212202 is 202212100121001.

It is not an unprimeable number, because it can be changed into a prime (100121001212203) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1533989173 + ... + 1534054439.

It is an arithmetic number, because the mean of its divisors is an integer number (3215608420752).

Almost surely, 2^{100121001212202} is an apocalyptic number.

100121001212202 is an abundant number, since it is smaller than the sum of its proper divisors (105677937715926).

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

100121001212202 is a wasteful number, since it uses less digits than its factorization.

100121001212202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85675.

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

Adding to 100121001212202 its reverse (202212100121001), we get a palindrome (302333101333203).

The spelling of 100121001212202 in words is "one hundred trillion, one hundred twenty-one billion, one million, two hundred twelve thousand, two hundred two".