101120012010 has 40 divisors (see below), whose sum is σ = 271900478916. Its totient is φ = 26965336320.

The previous prime is 101120011997. The next prime is 101120012023. The reversal of 101120012010 is 10210021101.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (101120011997) and next prime (101120012023).

It can be written as a sum of positive squares in 2 ways, for example, as 92269530081 + 8850481929 = 303759^2 + 94077^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 101120011983 and 101120012001.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 62418951 + ... + 62420570.

Almost surely, 2^101120012010 is an apocalyptic number.

101120012010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101120012010 is an abundant number, since it is smaller than the sum of its proper divisors (170780466906).

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

101120012010 is a wasteful number, since it uses less digits than its factorization.

101120012010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124839540 (or 124839531 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 101120012010 its reverse (10210021101), we get a palindrome (111330033111).

Subtracting from 101120012010 its reverse (10210021101), we obtain a palindrome (90909990909).

The spelling of 101120012010 in words is "one hundred one billion, one hundred twenty million, twelve thousand, ten".