1021232133131 has 32 divisors (see below), whose sum is σ = 1203277565952. Its totient is φ = 848410899840.

The previous prime is 1021232133107. The next prime is 1021232133143. The reversal of 1021232133131 is 1313312321201.

It is not a de Polignac number, because 1021232133131 - 2³⁴ = 1004052263947 is a prime.

It is a super-2 number, since 2×1021232133131² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1021232133097 and 1021232133106.

It is not an unprimeable number, because it can be changed into a prime (1021232132131) 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, 206015705 + ... + 206020661.

It is an arithmetic number, because the mean of its divisors is an integer number (37602423936).

Almost surely, 2^{1021232133131} is an apocalyptic number.

1021232133131 is a deficient number, since it is larger than the sum of its proper divisors (182045432821).

1021232133131 is a wasteful number, since it uses less digits than its factorization.

1021232133131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7899.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 1021232133131 its reverse (1313312321201), we get a palindrome (2334544454332).

The spelling of 1021232133131 in words is "one trillion, twenty-one billion, two hundred thirty-two million, one hundred thirty-three thousand, one hundred thirty-one".