101220233421105 has 64 divisors (see below), whose sum is σ = 182093412960000. Its totient is φ = 53343979646976.

The previous prime is 101220233421071. The next prime is 101220233421137. The reversal of 101220233421105 is 501124332022101.

It is a happy number.

101220233421105 is a `hidden beast` number, since 1 + 0 + 1 + 2 + 2 + 0 + 233 + 421 + 1 + 0 + 5 = 666.

It is not a de Polignac number, because 101220233421105 - 2¹⁴ = 101220233404721 is a prime.

It is a super-2 number, since 2×101220233421105² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9154275 + ... + 16918664.

It is an arithmetic number, because the mean of its divisors is an integer number (2845209577500).

Almost surely, 2^{101220233421105} is an apocalyptic number.

101220233421105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

101220233421105 is a deficient number, since it is larger than the sum of its proper divisors (80873179538895).

101220233421105 is a wasteful number, since it uses less digits than its factorization.

101220233421105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26073295 (or 26073289 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

Adding to 101220233421105 its reverse (501124332022101), we get a palindrome (602344565443206).

The spelling of 101220233421105 in words is "one hundred one trillion, two hundred twenty billion, two hundred thirty-three million, four hundred twenty-one thousand, one hundred five".