101121475755 has 16 divisors (see below), whose sum is σ = 161803787040. Its totient is φ = 53928311808.

The previous prime is 101121475753. The next prime is 101121475817. The reversal of 101121475755 is 557574121101.

It is not a de Polignac number, because 101121475755 - 2¹ = 101121475753 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101121475753) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82459 + ... + 457211.

It is an arithmetic number, because the mean of its divisors is an integer number (10112736690).

Almost surely, 2^101121475755 is an apocalyptic number.

101121475755 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

101121475755 is a deficient number, since it is larger than the sum of its proper divisors (60682311285).

101121475755 is a wasteful number, since it uses less digits than its factorization.

101121475755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392750.

The product of its (nonzero) digits is 49000, while the sum is 39.

Adding to 101121475755 its reverse (557574121101), we get a palindrome (658695596856).

The spelling of 101121475755 in words is "one hundred one billion, one hundred twenty-one million, four hundred seventy-five thousand, seven hundred fifty-five".