2121001210222 has 32 divisors (see below), whose sum is σ = 3237738704640. Its totient is φ = 1041863135040.

The previous prime is 2121001210213. The next prime is 2121001210259. The reversal of 2121001210222 is 2220121001212.

It is a happy number.

It is a super-2 number, since 2×2121001210222² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2121001210196 and 2121001210205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 166177213 + ... + 166189975.

It is an arithmetic number, because the mean of its divisors is an integer number (101179334520).

Almost surely, 2^{2121001210222} is an apocalyptic number.

2121001210222 is a deficient number, since it is larger than the sum of its proper divisors (1116737494418).

2121001210222 is a wasteful number, since it uses less digits than its factorization.

2121001210222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16888.

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

Adding to 2121001210222 its reverse (2220121001212), we get a palindrome (4341122211434).

The spelling of 2121001210222 in words is "two trillion, one hundred twenty-one billion, one million, two hundred ten thousand, two hundred twenty-two".