1001021122232 has 8 divisors (see below), whose sum is σ = 1876914604200. Its totient is φ = 500510561112.

The previous prime is 1001021122223. The next prime is 1001021122261. The reversal of 1001021122232 is 2322211201001.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1001021122232² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1001021122232.

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, 62563820132 + ... + 62563820147.

It is an arithmetic number, because the mean of its divisors is an integer number (234614325525).

Almost surely, 2^{1001021122232} is an apocalyptic number.

It is an amenable number.

1001021122232 is a deficient number, since it is larger than the sum of its proper divisors (875893481968).

1001021122232 is a wasteful number, since it uses less digits than its factorization.

1001021122232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125127640285 (or 125127640281 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 1001021122232 its reverse (2322211201001), we get a palindrome (3323232323233).

The spelling of 1001021122232 in words is "one trillion, one billion, twenty-one million, one hundred twenty-two thousand, two hundred thirty-two".