1000202100122 has 16 divisors (see below), whose sum is σ = 1506783624192. Its totient is φ = 497945342880.

The previous prime is 1000202100097. The next prime is 1000202100127. The reversal of 1000202100122 is 2210012020001.

It is a happy number.

1000202100122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (1000202100127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 662579 + ... + 1561862.

It is an arithmetic number, because the mean of its divisors is an integer number (94173976512).

Almost surely, 2^{1000202100122} is an apocalyptic number.

1000202100122 is a deficient number, since it is larger than the sum of its proper divisors (506581524070).

1000202100122 is a wasteful number, since it uses less digits than its factorization.

1000202100122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2225413.

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

Adding to 1000202100122 its reverse (2210012020001), we get a palindrome (3210214120123).

The spelling of 1000202100122 in words is "one trillion, two hundred two million, one hundred thousand, one hundred twenty-two".