100420221002122 has 16 divisors (see below), whose sum is σ = 172149847653312. Its totient is φ = 43037013231360.

The previous prime is 100420221002113. The next prime is 100420221002149. The reversal of 100420221002122 is 221200122024001.

It is a super-2 number, since 2×100420221002122² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 100420221002122.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15899004 + ... + 21298327.

It is an arithmetic number, because the mean of its divisors is an integer number (10759365478332).

Almost surely, 2^{100420221002122} is an apocalyptic number.

100420221002122 is a deficient number, since it is larger than the sum of its proper divisors (71729626651190).

100420221002122 is a wasteful number, since it uses less digits than its factorization.

100420221002122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37390173.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 100420221002122 its reverse (221200122024001), we get a palindrome (321620343026123).

The spelling of 100420221002122 in words is "one hundred trillion, four hundred twenty billion, two hundred twenty-one million, two thousand, one hundred twenty-two".