22101131243400 has 96 divisors (see below), whose sum is σ = 74742007500000. Its totient is φ = 5357849996800.

The previous prime is 22101131243311. The next prime is 22101131243417. The reversal of 22101131243400 is 434213110122.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1674321525 + ... + 1674334724.

It is an arithmetic number, because the mean of its divisors is an integer number (778562578125).

Almost surely, 2^{22101131243400} is an apocalyptic number.

22101131243400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22101131243400 is an abundant number, since it is smaller than the sum of its proper divisors (52640876256600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22101131243400 is a wasteful number, since it uses less digits than its factorization.

22101131243400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3348656279 (or 3348656270 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 22101131243400 its reverse (434213110122), we get a palindrome (22535344353522).

The spelling of 22101131243400 in words is "twenty-two trillion, one hundred one billion, one hundred thirty-one million, two hundred forty-three thousand, four hundred".