101222121232 has 80 divisors (see below), whose sum is σ = 201204822960. Its totient is φ = 49312972800.

The previous prime is 101222121211. The next prime is 101222121233. The reversal of 101222121232 is 232121222101.

It can be written as a sum of positive squares in 8 ways, for example, as 6348264976 + 94873856256 = 79676^2 + 308016^2 .

It is not an unprimeable number, because it can be changed into a prime (101222121233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100318744 + ... + 100319752.

It is an arithmetic number, because the mean of its divisors is an integer number (2515060287).

Almost surely, 2^101222121232 is an apocalyptic number.

It is an amenable number.

101222121232 is a deficient number, since it is larger than the sum of its proper divisors (99982701728).

101222121232 is a wasteful number, since it uses less digits than its factorization.

101222121232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1772 (or 1766 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 101222121232 its reverse (232121222101), we get a palindrome (333343343333).

The spelling of 101222121232 in words is "one hundred one billion, two hundred twenty-two million, one hundred twenty-one thousand, two hundred thirty-two".