2120002100122 has 8 divisors (see below), whose sum is σ = 3180017484000. Its totient is φ = 1059996272124.

The previous prime is 2120002100101. The next prime is 2120002100141. The reversal of 2120002100122 is 2210012000212.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1805872 + ... + 2738827.

It is an arithmetic number, because the mean of its divisors is an integer number (397502185500).

Almost surely, 2^{2120002100122} is an apocalyptic number.

2120002100122 is a deficient number, since it is larger than the sum of its proper divisors (1060015383878).

2120002100122 is a wasteful number, since it uses less digits than its factorization.

2120002100122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4777940.

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

Adding to 2120002100122 its reverse (2210012000212), we get a palindrome (4330014100334).

The spelling of 2120002100122 in words is "two trillion, one hundred twenty billion, two million, one hundred thousand, one hundred twenty-two".