2221121121032 has 16 divisors (see below), whose sum is σ = 4543202293200. Its totient is φ = 1009600509520.

The previous prime is 2221121121031. The next prime is 2221121121073. The reversal of 2221121121032 is 2301211211222.

It is a junction number, because it is equal to n+sod(n) for n = 2221121120995 and 2221121121013.

It is not an unprimeable number, because it can be changed into a prime (2221121121031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12620006282 + ... + 12620006457.

It is an arithmetic number, because the mean of its divisors is an integer number (283950143325).

Almost surely, 2^{2221121121032} is an apocalyptic number.

2221121121032 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2221121121032 is an abundant number, since it is smaller than the sum of its proper divisors (2322081172168).

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

2221121121032 is a wasteful number, since it uses less digits than its factorization.

2221121121032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25240012756 (or 25240012752 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 2221121121032 its reverse (2301211211222), we get a palindrome (4522332332254).

The spelling of 2221121121032 in words is "two trillion, two hundred twenty-one billion, one hundred twenty-one million, one hundred twenty-one thousand, thirty-two".