100122202010021 has 16 divisors (see below), whose sum is σ = 104740505481600. Its totient is φ = 95526004799808.

The previous prime is 100122202009889. The next prime is 100122202010057. The reversal of 100122202010021 is 120010202221001.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100122202010021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100122202009978 and 100122202010005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100122202000021) 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, 917327870 + ... + 917437008.

It is an arithmetic number, because the mean of its divisors is an integer number (6546281592600).

Almost surely, 2^{100122202010021} is an apocalyptic number.

It is an amenable number.

100122202010021 is a deficient number, since it is larger than the sum of its proper divisors (4618303471579).

100122202010021 is a wasteful number, since it uses less digits than its factorization.

100122202010021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210028.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 100122202010021 its reverse (120010202221001), we get a palindrome (220132404231022).

The spelling of 100122202010021 in words is "one hundred trillion, one hundred twenty-two billion, two hundred two million, ten thousand, twenty-one".