100120101021010 has 64 divisors (see below), whose sum is σ = 208132175750400. Its totient is φ = 33965939941632.

The previous prime is 100120101021001. The next prime is 100120101021019. The reversal of 100120101021010 is 10120101021001.

It is an interprime number because it is at equal distance from previous prime (100120101021001) and next prime (100120101021019).

It is a super-2 number, since 2×100120101021010² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (100120101021019) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3239577 + ... + 14516716.

It is an arithmetic number, because the mean of its divisors is an integer number (3252065246100).

Almost surely, 2^{100120101021010} is an apocalyptic number.

100120101021010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100120101021010 is an abundant number, since it is smaller than the sum of its proper divisors (108012074729390).

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

100120101021010 is a wasteful number, since it uses less digits than its factorization.

100120101021010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17757155.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 100120101021010 its reverse (10120101021001), we get a palindrome (110240202042011).

Subtracting from 100120101021010 its reverse (10120101021001), we obtain a palindrome (90000000000009).

The spelling of 100120101021010 in words is "one hundred trillion, one hundred twenty billion, one hundred one million, twenty-one thousand, ten".