101420510554 has 16 divisors (see below), whose sum is σ = 166649478336. Its totient is φ = 45908942400.

The previous prime is 101420510551. The next prime is 101420510603. The reversal of 101420510554 is 455015024101.

It is a super-2 number, since 2×101420510554² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (101420510551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9559062 + ... + 9569665.

It is an arithmetic number, because the mean of its divisors is an integer number (10415592396).

Almost surely, 2^101420510554 is an apocalyptic number.

101420510554 is a deficient number, since it is larger than the sum of its proper divisors (65228967782).

101420510554 is a wasteful number, since it uses less digits than its factorization.

101420510554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19128981.

The product of its (nonzero) digits is 4000, while the sum is 28.

Adding to 101420510554 its reverse (455015024101), we get a palindrome (556435534655).

The spelling of 101420510554 in words is "one hundred one billion, four hundred twenty million, five hundred ten thousand, five hundred fifty-four".