1911022011022 has 4 divisors (see below), whose sum is σ = 2866533016536. Its totient is φ = 955511005510.

The previous prime is 1911022011011. The next prime is 1911022011037. The reversal of 1911022011022 is 2201102201191.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×1911022011022² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1911022010984 and 1911022011002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 477755502754 + ... + 477755502757.

It is an arithmetic number, because the mean of its divisors is an integer number (716633254134).

Almost surely, 2^{1911022011022} is an apocalyptic number.

1911022011022 is a deficient number, since it is larger than the sum of its proper divisors (955511005514).

1911022011022 is an equidigital number, since it uses as much as digits as its factorization.

1911022011022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 955511005513.

The product of its (nonzero) digits is 144, while the sum is 22.

The spelling of 1911022011022 in words is "one trillion, nine hundred eleven billion, twenty-two million, eleven thousand, twenty-two".