2101020120122 has 16 divisors (see below), whose sum is σ = 3929180484672. Its totient is φ = 818579267520.

The previous prime is 2101020120113. The next prime is 2101020120139. The reversal of 2101020120122 is 2210210201012.

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 = 2101020120097 and 2101020120106.

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, 6821493743 + ... + 6821494050.

It is an arithmetic number, because the mean of its divisors is an integer number (245573780292).

Almost surely, 2^{2101020120122} is an apocalyptic number.

2101020120122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2101020120122 is a deficient number, since it is larger than the sum of its proper divisors (1828160364550).

2101020120122 is a wasteful number, since it uses less digits than its factorization.

2101020120122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13642987813.

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

Adding to 2101020120122 its reverse (2210210201012), we get a palindrome (4311230321134).

The spelling of 2101020120122 in words is "two trillion, one hundred one billion, twenty million, one hundred twenty thousand, one hundred twenty-two".