1222010101044 has 48 divisors (see below), whose sum is σ = 3215460539200. Its totient is φ = 401257045728.

The previous prime is 1222010101043. The next prime is 1222010101051. The reversal of 1222010101044 is 4401010102221.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222010101043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84432379 + ... + 84446850.

Almost surely, 2^{1222010101044} is an apocalyptic number.

It is an amenable number.

1222010101044 is an abundant number, since it is smaller than the sum of its proper divisors (1993450438156).

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

1222010101044 is a wasteful number, since it uses less digits than its factorization.

1222010101044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168879309 (or 168879301 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 1222010101044 its reverse (4401010102221), we get a palindrome (5623020203265).

The spelling of 1222010101044 in words is "one trillion, two hundred twenty-two billion, ten million, one hundred one thousand, forty-four".