1022838139911 has 16 divisors (see below), whose sum is σ = 1558633088000. Its totient is φ = 584470466208.

The previous prime is 1022838139853. The next prime is 1022838139913. The reversal of 1022838139911 is 1199318382201.

It is a happy number.

It is not a de Polignac number, because 1022838139911 - 2⁶ = 1022838139847 is a prime.

It is a super-2 number, since 2×1022838139911² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022838139913) 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, 1313490 + ... + 1941888.

It is an arithmetic number, because the mean of its divisors is an integer number (97414568000).

Almost surely, 2^{1022838139911} is an apocalyptic number.

1022838139911 is a deficient number, since it is larger than the sum of its proper divisors (535794948089).

1022838139911 is an equidigital number, since it uses as much as digits as its factorization.

1022838139911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 705918.

The product of its (nonzero) digits is 186624, while the sum is 48.

The spelling of 1022838139911 in words is "one trillion, twenty-two billion, eight hundred thirty-eight million, one hundred thirty-nine thousand, nine hundred eleven".