2121312103022 has 8 divisors (see below), whose sum is σ = 3636535033776. Its totient is φ = 909133758432.

The previous prime is 2121312102991. The next prime is 2121312103039. The reversal of 2121312103022 is 2203012131212.

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 = 2121312102985 and 2121312103003.

It is a congruent number.

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, 75761146523 + ... + 75761146550.

It is an arithmetic number, because the mean of its divisors is an integer number (454566879222).

Almost surely, 2^{2121312103022} is an apocalyptic number.

2121312103022 is a deficient number, since it is larger than the sum of its proper divisors (1515222930754).

2121312103022 is a wasteful number, since it uses less digits than its factorization.

2121312103022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151522293082.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 2121312103022 its reverse (2203012131212), we get a palindrome (4324324234234).

The spelling of 2121312103022 in words is "two trillion, one hundred twenty-one billion, three hundred twelve million, one hundred three thousand, twenty-two".