2001122120102 has 64 divisors (see below), whose sum is σ = 3629504609280. Its totient is φ = 809335572864.

The previous prime is 2001122120099. The next prime is 2001122120119. The reversal of 2001122120102 is 2010212211002.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5482433 + ... + 5836035.

It is an arithmetic number, because the mean of its divisors is an integer number (56711009520).

Almost surely, 2^{2001122120102} is an apocalyptic number.

2001122120102 is a deficient number, since it is larger than the sum of its proper divisors (1628382489178).

2001122120102 is a wasteful number, since it uses less digits than its factorization.

2001122120102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353957.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2001122120102 its reverse (2010212211002), we get a palindrome (4011334331104).

The spelling of 2001122120102 in words is "two trillion, one billion, one hundred twenty-two million, one hundred twenty thousand, one hundred two".