100122201009 has 16 divisors (see below), whose sum is σ = 148339272000. Its totient is φ = 66743595648.

The previous prime is 100122200999. The next prime is 100122201017. The reversal of 100122201009 is 900102221001.

It is not a de Polignac number, because 100122201009 - 2⁴ = 100122200993 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100122200982 and 100122201000.

It is not an unprimeable number, because it can be changed into a prime (100122201019) 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, 305217 + ... + 541665.

It is an arithmetic number, because the mean of its divisors is an integer number (9271204500).

Almost surely, 2^100122201009 is an apocalyptic number.

It is an amenable number.

100122201009 is a deficient number, since it is larger than the sum of its proper divisors (48217070991).

100122201009 is a wasteful number, since it uses less digits than its factorization.

100122201009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252141 (or 252135 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The spelling of 100122201009 in words is "one hundred billion, one hundred twenty-two million, two hundred one thousand, nine".