100221202020112 has 20 divisors (see below), whose sum is σ = 196101139104396. Its totient is φ = 49614456444800.

The previous prime is 100221202020101. The next prime is 100221202020113. The reversal of 100221202020112 is 211020202122001.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 42593427060496 + 57627774959616 = 6526364^2 + 7591296^2 .

It is a super-2 number, since 2×100221202020112² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (100221202020113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31009033663 + ... + 31009036894.

Almost surely, 2^{100221202020112} is an apocalyptic number.

It is an amenable number.

100221202020112 is a deficient number, since it is larger than the sum of its proper divisors (95879937084284).

100221202020112 is a wasteful number, since it uses less digits than its factorization.

100221202020112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62018070666 (or 62018070660 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 100221202020112 its reverse (211020202122001), we get a palindrome (311241404142113).

The spelling of 100221202020112 in words is "one hundred trillion, two hundred twenty-one billion, two hundred two million, twenty thousand, one hundred twelve".