101223121130 has 32 divisors (see below), whose sum is σ = 185666961024. Its totient is φ = 39719399616.

The previous prime is 101223121099. The next prime is 101223121211. The reversal of 101223121130 is 31121322101.

It is a super-2 number, since 2×101223121130² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 101223121099 and 101223121108.

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, 5814419 + ... + 5831801.

It is an arithmetic number, because the mean of its divisors is an integer number (5802092532).

Almost surely, 2^101223121130 is an apocalyptic number.

101223121130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101223121130 is a deficient number, since it is larger than the sum of its proper divisors (84443839894).

101223121130 is a wasteful number, since it uses less digits than its factorization.

101223121130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28430.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 101223121130 its reverse (31121322101), we get a palindrome (132344443231).

The spelling of 101223121130 in words is "one hundred one billion, two hundred twenty-three million, one hundred twenty-one thousand, one hundred thirty".