22101231142 has 8 divisors (see below), whose sum is σ = 33713742600. Its totient is φ = 10863316944.

The previous prime is 22101231059. The next prime is 22101231181. The reversal of 22101231142 is 24113210122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×22101231142² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93649167 + ... + 93649402.

It is an arithmetic number, because the mean of its divisors is an integer number (4214217825).

Almost surely, 2^22101231142 is an apocalyptic number.

22101231142 is a deficient number, since it is larger than the sum of its proper divisors (11612511458).

22101231142 is a wasteful number, since it uses less digits than its factorization.

22101231142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187298630.

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

Adding to 22101231142 its reverse (24113210122), we get a palindrome (46214441264).

The spelling of 22101231142 in words is "twenty-two billion, one hundred one million, two hundred thirty-one thousand, one hundred forty-two".