2121222011010 has 16 divisors (see below), whose sum is σ = 5090932826496. Its totient is φ = 565659202928.

The previous prime is 2121222011009. The next prime is 2121222011021. The reversal of 2121222011010 is 101102221212.

It is a super-2 number, since 2×2121222011010² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 35353700154 + ... + 35353700213.

It is an arithmetic number, because the mean of its divisors is an integer number (318183301656).

Almost surely, 2^{2121222011010} is an apocalyptic number.

2121222011010 is an abundant number, since it is smaller than the sum of its proper divisors (2969710815486).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2121222011010 is a wasteful number, since it uses less digits than its factorization.

2121222011010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70707400377.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2121222011010 its reverse (101102221212), we get a palindrome (2222324232222).

The spelling of 2121222011010 in words is "two trillion, one hundred twenty-one billion, two hundred twenty-two million, eleven thousand, ten".