2221101022012 has 12 divisors (see below), whose sum is σ = 3886945917120. Its totient is φ = 1110545045696.

The previous prime is 2221101021961. The next prime is 2221101022027. The reversal of 2221101022012 is 2102201011222.

It is a happy number.

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, 371437 + ... + 2140132.

It is an arithmetic number, because the mean of its divisors is an integer number (323912159760).

Almost surely, 2^{2221101022012} is an apocalyptic number.

It is an amenable number.

2221101022012 is a deficient number, since it is larger than the sum of its proper divisors (1665844895108).

2221101022012 is a wasteful number, since it uses less digits than its factorization.

2221101022012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2732660 (or 2732658 counting only the distinct ones).

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

Adding to 2221101022012 its reverse (2102201011222), we get a palindrome (4323302033234).

The spelling of 2221101022012 in words is "two trillion, two hundred twenty-one billion, one hundred one million, twenty-two thousand, twelve".