2100102012122 has 16 divisors (see below), whose sum is σ = 3247429639680. Its totient is φ = 1018113067872.

The previous prime is 2100102012119. The next prime is 2100102012149. The reversal of 2100102012122 is 2212102010012.

It is a super-2 number, since 2×2100102012122² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2100102012097 and 2100102012106.

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, 121891898 + ... + 121909125.

It is an arithmetic number, because the mean of its divisors is an integer number (202964352480).

Almost surely, 2^{2100102012122} is an apocalyptic number.

2100102012122 is a deficient number, since it is larger than the sum of its proper divisors (1147327627558).

2100102012122 is a wasteful number, since it uses less digits than its factorization.

2100102012122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243801157.

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

Adding to 2100102012122 its reverse (2212102010012), we get a palindrome (4312204022134).

The spelling of 2100102012122 in words is "two trillion, one hundred billion, one hundred two million, twelve thousand, one hundred twenty-two".