100551101010 has 32 divisors (see below), whose sum is σ = 241654637952. Its totient is φ = 26776738560.

The previous prime is 100551100961. The next prime is 100551101017. The reversal of 100551101010 is 10101155001.

It is a super-2 number, since 2×100551101010² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (100551101017) 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, 2283351 + ... + 2326970.

It is an arithmetic number, because the mean of its divisors is an integer number (7551707436).

Almost surely, 2^100551101010 is an apocalyptic number.

100551101010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100551101010 is an abundant number, since it is smaller than the sum of its proper divisors (141103536942).

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

100551101010 is a wasteful number, since it uses less digits than its factorization.

100551101010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4611058.

The product of its (nonzero) digits is 25, while the sum is 15.

Adding to 100551101010 its reverse (10101155001), we get a palindrome (110652256011).

The spelling of 100551101010 in words is "one hundred billion, five hundred fifty-one million, one hundred one thousand, ten".