2101111001122 has 16 divisors (see below), whose sum is σ = 3602002760640. Its totient is φ = 900451596528.

The previous prime is 2101111001111. The next prime is 2101111001179. The reversal of 2101111001122 is 2211001111012.

It is a happy number.

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, 1508793 + ... + 2545324.

It is an arithmetic number, because the mean of its divisors is an integer number (225125172540).

Almost surely, 2^{2101111001122} is an apocalyptic number.

2101111001122 is a deficient number, since it is larger than the sum of its proper divisors (1500891759518).

2101111001122 is a wasteful number, since it uses less digits than its factorization.

2101111001122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4091145.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 2101111001122 its reverse (2211001111012), we get a palindrome (4312112112134).

The spelling of 2101111001122 in words is "two trillion, one hundred one billion, one hundred eleven million, one thousand, one hundred twenty-two".