1022121424431 has 64 divisors (see below), whose sum is σ = 1576546675200. Its totient is φ = 653915420928.

The previous prime is 1022121424427. The next prime is 1022121424447. The reversal of 1022121424431 is 1344241212201.

1022121424431 is a `hidden beast` number, since 1 + 0 + 2 + 2 + 1 + 214 + 2 + 443 + 1 = 666.

It is not a de Polignac number, because 1022121424431 - 2² = 1022121424427 is a prime.

It is a super-2 number, since 2×1022121424431² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 1022121424395 and 1022121424404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022121424031) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 51149800 + ... + 51169778.

It is an arithmetic number, because the mean of its divisors is an integer number (24633541800).

Almost surely, 2^{1022121424431} is an apocalyptic number.

1022121424431 is a deficient number, since it is larger than the sum of its proper divisors (554425250769).

1022121424431 is a wasteful number, since it uses less digits than its factorization.

1022121424431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20725 (or 20719 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

Adding to 1022121424431 its reverse (1344241212201), we get a palindrome (2366362636632).

The spelling of 1022121424431 in words is "one trillion, twenty-two billion, one hundred twenty-one million, four hundred twenty-four thousand, four hundred thirty-one".