2101022102122 has 16 divisors (see below), whose sum is σ = 3317557685760. Its totient is φ = 995174685792.

The previous prime is 2101022102111. The next prime is 2101022102129. The reversal of 2101022102122 is 2212012201012.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2101022102096 and 2101022102105.

It is not an unprimeable number, because it can be changed into a prime (2101022102129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 451978 + ... + 2099125.

It is an arithmetic number, because the mean of its divisors is an integer number (207347355360).

Almost surely, 2^{2101022102122} is an apocalyptic number.

2101022102122 is a deficient number, since it is larger than the sum of its proper divisors (1216535583638).

2101022102122 is a wasteful number, since it uses less digits than its factorization.

2101022102122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2572797.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2101022102122 its reverse (2212012201012), we get a palindrome (4313034303134).

The spelling of 2101022102122 in words is "two trillion, one hundred one billion, twenty-two million, one hundred two thousand, one hundred twenty-two".