100012121021122 has 8 divisors (see below), whose sum is σ = 151113204754956. Its totient is φ = 49641052769472.

The previous prime is 100012121021069. The next prime is 100012121021203. The reversal of 100012121021122 is 221120121210001.

It can be written as a sum of positive squares in 2 ways, for example, as 95066029532761 + 4946091488361 = 9750181^2 + 2223981^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×100012121021122² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 100012121021096 and 100012121021105.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 182503870203 + ... + 182503870750.

Almost surely, 2^{100012121021122} is an apocalyptic number.

100012121021122 is a deficient number, since it is larger than the sum of its proper divisors (51101083733834).

100012121021122 is a wasteful number, since it uses less digits than its factorization.

100012121021122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365007741092.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 100012121021122 its reverse (221120121210001), we get a palindrome (321132242231123).

The spelling of 100012121021122 in words is "one hundred trillion, twelve billion, one hundred twenty-one million, twenty-one thousand, one hundred twenty-two".