1000101010122 has 48 divisors (see below), whose sum is σ = 2261768296320. Its totient is φ = 318778248096.

The previous prime is 1000101010109. The next prime is 1000101010127. The reversal of 1000101010122 is 2210101010001.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (1000101010127) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1046643 + ... + 1759449.

It is an arithmetic number, because the mean of its divisors is an integer number (47120172840).

Almost surely, 2^{1000101010122} is an apocalyptic number.

1000101010122 is an abundant number, since it is smaller than the sum of its proper divisors (1261667286198).

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

1000101010122 is a wasteful number, since it uses less digits than its factorization.

1000101010122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 716227 (or 716224 counting only the distinct ones).

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

Adding to 1000101010122 its reverse (2210101010001), we get a palindrome (3210202020123).

The spelling of 1000101010122 in words is "one trillion, one hundred one million, ten thousand, one hundred twenty-two".