2121022110022 has 8 divisors (see below), whose sum is σ = 3194845020000. Its totient is φ = 1056073770024.

The previous prime is 2121022109993. The next prime is 2121022110071. The reversal of 2121022110022 is 2200112201212.

It is a happy number.

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 = 2121022109978 and 2121022110005.

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, 2218641897 + ... + 2218642852.

It is an arithmetic number, because the mean of its divisors is an integer number (399355627500).

Almost surely, 2^{2121022110022} is an apocalyptic number.

2121022110022 is a deficient number, since it is larger than the sum of its proper divisors (1073822909978).

2121022110022 is a wasteful number, since it uses less digits than its factorization.

2121022110022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4437284990.

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

Adding to 2121022110022 its reverse (2200112201212), we get a palindrome (4321134311234).

The spelling of 2121022110022 in words is "two trillion, one hundred twenty-one billion, twenty-two million, one hundred ten thousand, twenty-two".