2101112131229 has 4 divisors (see below), whose sum is σ = 2101527457920. Its totient is φ = 2100696804540.

The previous prime is 2101112131193. The next prime is 2101112131231. The reversal of 2101112131229 is 9221312111012.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2101112131229 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2101112131198 and 2101112131207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101112131249) 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, 207655757 + ... + 207665874.

It is an arithmetic number, because the mean of its divisors is an integer number (525381864480).

Almost surely, 2^{2101112131229} is an apocalyptic number.

It is an amenable number.

2101112131229 is a deficient number, since it is larger than the sum of its proper divisors (415326691).

2101112131229 is an equidigital number, since it uses as much as digits as its factorization.

2101112131229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415326690.

The product of its (nonzero) digits is 432, while the sum is 26.

The spelling of 2101112131229 in words is "two trillion, one hundred one billion, one hundred twelve million, one hundred thirty-one thousand, two hundred twenty-nine".