2221000121012 has 24 divisors (see below), whose sum is σ = 3890658163392. Its totient is φ = 1109383688000.

The previous prime is 2221000120967. The next prime is 2221000121027. The reversal of 2221000121012 is 2101210001222.

It is a congruent number.

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, 93303512 + ... + 93327312.

It is an arithmetic number, because the mean of its divisors is an integer number (162110756808).

Almost surely, 2^{2221000121012} is an apocalyptic number.

It is an amenable number.

2221000121012 is a deficient number, since it is larger than the sum of its proper divisors (1669658042380).

2221000121012 is a wasteful number, since it uses less digits than its factorization.

2221000121012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46279 (or 46277 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2221000121012 its reverse (2101210001222), we get a palindrome (4322210122234).

It can be divided in two parts, 22210001210 and 12, that added together give a palindrome (22210001222).

The spelling of 2221000121012 in words is "two trillion, two hundred twenty-one billion, one hundred twenty-one thousand, twelve".