2102100120122 has 8 divisors (see below), whose sum is σ = 3153385161972. Its totient is φ = 1050971732800.

The previous prime is 2102100120119. The next prime is 2102100120139. The reversal of 2102100120122 is 2210210012012.

It can be written as a sum of positive squares in 2 ways, for example, as 2080947617401 + 21152502721 = 1442549^2 + 145439^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 2102100120097 and 2102100120106.

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, 39130079 + ... + 39183762.

Almost surely, 2^{2102100120122} is an apocalyptic number.

2102100120122 is a deficient number, since it is larger than the sum of its proper divisors (1051285041850).

2102100120122 is a wasteful number, since it uses less digits than its factorization.

2102100120122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78327264.

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

Adding to 2102100120122 its reverse (2210210012012), we get a palindrome (4312310132134).

It can be divided in two parts, 210210012012 and 2, that multiplied together give a palindrome (420420024024).

The spelling of 2102100120122 in words is "two trillion, one hundred two billion, one hundred million, one hundred twenty thousand, one hundred twenty-two".