101222031488 has 16 divisors (see below), whose sum is σ = 201653266110. Its totient is φ = 50611015680.

The previous prime is 101222031487. The next prime is 101222031529. The reversal of 101222031488 is 884130222101.

It can be written as a sum of positive squares in only one way, i.e., 83031575104 + 18190456384 = 288152^2 + 134872^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-3 number, since 3×101222031488³ (a number of 34 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (101222031487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 395398433 + ... + 395398688.

Almost surely, 2^101222031488 is an apocalyptic number.

It is an amenable number.

101222031488 is a deficient number, since it is larger than the sum of its proper divisors (100431234622).

101222031488 is an frugal number, since it uses more digits than its factorization.

101222031488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 790797135 (or 790797123 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 32.

Adding to 101222031488 its reverse (884130222101), we get a palindrome (985352253589).

The spelling of 101222031488 in words is "one hundred one billion, two hundred twenty-two million, thirty-one thousand, four hundred eighty-eight".