1222231132101 has 32 divisors (see below), whose sum is σ = 1890391487488. Its totient is φ = 687940387200.

The previous prime is 1222231132081. The next prime is 1222231132183. The reversal of 1222231132101 is 1012311322221.

It is not a de Polignac number, because 1222231132101 - 2⁷ = 1222231131973 is a prime.

It is a super-2 number, since 2×1222231132101² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222231132301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24517401 + ... + 24567201.

It is an arithmetic number, because the mean of its divisors is an integer number (59074733984).

Almost surely, 2^{1222231132101} is an apocalyptic number.

It is an amenable number.

1222231132101 is a deficient number, since it is larger than the sum of its proper divisors (668160355387).

1222231132101 is a wasteful number, since it uses less digits than its factorization.

1222231132101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67321.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 1222231132101 its reverse (1012311322221), we get a palindrome (2234542454322).

The spelling of 1222231132101 in words is "one trillion, two hundred twenty-two billion, two hundred thirty-one million, one hundred thirty-two thousand, one hundred one".