100020210122 has 48 divisors (see below), whose sum is σ = 175946790600. Its totient is φ = 42517440000.

The previous prime is 100020210113. The next prime is 100020210137. The reversal of 100020210122 is 221012020001.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 16494008041 + 83526202081 = 128429^2 + 289009^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11107622 + ... + 11116622.

Almost surely, 2^100020210122 is an apocalyptic number.

100020210122 is a deficient number, since it is larger than the sum of its proper divisors (75926580478).

100020210122 is a wasteful number, since it uses less digits than its factorization.

100020210122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9927 (or 9920 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 100020210122 its reverse (221012020001), we get a palindrome (321032230123).

The spelling of 100020210122 in words is "one hundred billion, twenty million, two hundred ten thousand, one hundred twenty-two".