221024142023140 has 48 divisors (see below), whose sum is σ = 470303003923200. Its totient is φ = 87239108017152.

The previous prime is 221024142023137. The next prime is 221024142023159. The reversal of 221024142023140 is 41320241420122.

It is a super-2 number, since 2×221024142023140² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 221024142023099 and 221024142023108.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38535210 + ... + 43897729.

It is an arithmetic number, because the mean of its divisors is an integer number (9797979248400).

Almost surely, 2^{221024142023140} is an apocalyptic number.

221024142023140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221024142023140 is an abundant number, since it is smaller than the sum of its proper divisors (249278861900060).

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

221024142023140 is a wasteful number, since it uses less digits than its factorization.

221024142023140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82434724 (or 82434722 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 221024142023140 its reverse (41320241420122), we get a palindrome (262344383443262).

The spelling of 221024142023140 in words is "two hundred twenty-one trillion, twenty-four billion, one hundred forty-two million, twenty-three thousand, one hundred forty".