1100122021012 has 24 divisors (see below), whose sum is σ = 2200300086656. Its totient is φ = 471468856608.

The previous prime is 1100122021001. The next prime is 1100122021027. The reversal of 1100122021012 is 2101202210011.

It is a super-2 number, since 2×1100122021012² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1100122020983 and 1100122021001.

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, 666193 + ... + 1626055.

Almost surely, 2^{1100122021012} is an apocalyptic number.

It is an amenable number.

1100122021012 is an abundant number, since it is smaller than the sum of its proper divisors (1100178065644).

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

1100122021012 is a wasteful number, since it uses less digits than its factorization.

1100122021012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000807 (or 1000805 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1100122021012 its reverse (2101202210011), we get a palindrome (3201324231023).

The spelling of 1100122021012 in words is "one trillion, one hundred billion, one hundred twenty-two million, twenty-one thousand, twelve".