100220210122122 has 48 divisors (see below), whose sum is σ = 220187092851648. Its totient is φ = 32938821840960.

The previous prime is 100220210122103. The next prime is 100220210122129. The reversal of 100220210122122 is 221221012022001.

It is a happy number.

100220210122122 is a `hidden beast` number, since 10 + 0 + 220 + 210 + 1 + 221 + 2 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 100220210122095 and 100220210122104.

It is not an unprimeable number, because it can be changed into a prime (100220210122129) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7697454 + ... + 16114937.

It is an arithmetic number, because the mean of its divisors is an integer number (4587231101076).

Almost surely, 2^{100220210122122} is an apocalyptic number.

100220210122122 is an abundant number, since it is smaller than the sum of its proper divisors (119966882729526).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100220210122122 is a wasteful number, since it uses less digits than its factorization.

100220210122122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23815675 (or 23815672 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 100220210122122 its reverse (221221012022001), we get a palindrome (321441222144123).

The spelling of 100220210122122 in words is "one hundred trillion, two hundred twenty billion, two hundred ten million, one hundred twenty-two thousand, one hundred twenty-two".