2002021100122 has 16 divisors (see below), whose sum is σ = 3187609970472. Its totient is φ = 939778124800.

The previous prime is 2002021100119. The next prime is 2002021100161. The reversal of 2002021100122 is 2210011202002.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1985621992641 + 16399107481 = 1409121^2 + 128059^2 .

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, 73406533 + ... + 73433800.

Almost surely, 2^{2002021100122} is an apocalyptic number.

2002021100122 is a deficient number, since it is larger than the sum of its proper divisors (1185588870350).

2002021100122 is a wasteful number, since it uses less digits than its factorization.

2002021100122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146840753.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 2002021100122 its reverse (2210011202002), we get a palindrome (4212032302124).

The spelling of 2002021100122 in words is "two trillion, two billion, twenty-one million, one hundred thousand, one hundred twenty-two".