1122021131 has 32 divisors (see below), whose sum is σ = 1497968640. Its totient is φ = 813542400.

The previous prime is 1122021091. The next prime is 1122021139. The reversal of 1122021131 is 1311202211.

It is not a de Polignac number, because 1122021131 - 2¹⁴ = 1122004747 is a prime.

It is a super-2 number, since 2×1122021131² = 2517862836821038322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1122021139) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 111686 + ... + 121316.

It is an arithmetic number, because the mean of its divisors is an integer number (46811520).

Almost surely, 2^1122021131 is an apocalyptic number.

1122021131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1122021131 is a deficient number, since it is larger than the sum of its proper divisors (375947509).

1122021131 is a wasteful number, since it uses less digits than its factorization.

1122021131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9755.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 1122021131 is about 33496.5838705979. The cubic root of 1122021131 is about 1039.1231301479.

Adding to 1122021131 its reverse (1311202211), we get a palindrome (2433223342).

The spelling of 1122021131 in words is "one billion, one hundred twenty-two million, twenty-one thousand, one hundred thirty-one".