100103121229 has 4 divisors (see below), whose sum is σ = 100833801084. Its totient is φ = 99372441376.

The previous prime is 100103121211. The next prime is 100103121241. The reversal of 100103121229 is 922121301001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 922121301001 = 757 ⋅1218125893.

It can be written as a sum of positive squares in 2 ways, for example, as 86030756100 + 14072365129 = 293310^2 + 118627^2 .

It is a cyclic number.

It is not a de Polignac number, because 100103121229 - 2⁵ = 100103121197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100103125229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 365339722 + ... + 365339995.

It is an arithmetic number, because the mean of its divisors is an integer number (25208450271).

Almost surely, 2^100103121229 is an apocalyptic number.

It is an amenable number.

100103121229 is a deficient number, since it is larger than the sum of its proper divisors (730679855).

100103121229 is an equidigital number, since it uses as much as digits as its factorization.

100103121229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 730679854.

The product of its (nonzero) digits is 216, while the sum is 22.

The spelling of 100103121229 in words is "one hundred billion, one hundred three million, one hundred twenty-one thousand, two hundred twenty-nine".