100121221021202 has 32 divisors (see below), whose sum is σ = 153503729121600. Its totient is φ = 48964150889280.

The previous prime is 100121221021183. The next prime is 100121221021229. The reversal of 100121221021202 is 202120122121001.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52512377 + ... + 54385587.

It is an arithmetic number, because the mean of its divisors is an integer number (4796991535050).

Almost surely, 2^{100121221021202} is an apocalyptic number.

100121221021202 is a deficient number, since it is larger than the sum of its proper divisors (53382508100398).

100121221021202 is a wasteful number, since it uses less digits than its factorization.

100121221021202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1876106.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 100121221021202 its reverse (202120122121001), we get a palindrome (302241343142203).

The spelling of 100121221021202 in words is "one hundred trillion, one hundred twenty-one billion, two hundred twenty-one million, twenty-one thousand, two hundred two".