2011201020122 has 96 divisors (see below), whose sum is σ = 3782096686080. Its totient is φ = 797439202560.

The previous prime is 2011201020067. The next prime is 2011201020161. The reversal of 2011201020122 is 2210201021102.

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

It is a junction number, because it is equal to n+sod(n) for n = 2011201020097 and 2011201020106.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 149314004 + ... + 149327472.

It is an arithmetic number, because the mean of its divisors is an integer number (39396840480).

Almost surely, 2^{2011201020122} is an apocalyptic number.

2011201020122 is a deficient number, since it is larger than the sum of its proper divisors (1770895665958).

2011201020122 is a wasteful number, since it uses less digits than its factorization.

2011201020122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15676 (or 15669 counting only the distinct ones).

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

Adding to 2011201020122 its reverse (2210201021102), we get a palindrome (4221402041224).

The spelling of 2011201020122 in words is "two trillion, eleven billion, two hundred one million, twenty thousand, one hundred twenty-two".