121311422229 has 4 divisors (see below), whose sum is σ = 161748562976. Its totient is φ = 80874281484.

The previous prime is 121311422213. The next prime is 121311422233. The reversal of 121311422229 is 922224113121.

It is a happy number.

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 not a de Polignac number, because 121311422229 - 2⁴ = 121311422213 is a prime.

It is a super-2 number, since 2×121311422229² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121311422196 and 121311422205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121311422269) 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, 20218570369 + ... + 20218570374.

It is an arithmetic number, because the mean of its divisors is an integer number (40437140744).

Almost surely, 2^121311422229 is an apocalyptic number.

It is an amenable number.

121311422229 is a deficient number, since it is larger than the sum of its proper divisors (40437140747).

121311422229 is an equidigital number, since it uses as much as digits as its factorization.

121311422229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40437140746.

The product of its digits is 3456, while the sum is 30.

The spelling of 121311422229 in words is "one hundred twenty-one billion, three hundred eleven million, four hundred twenty-two thousand, two hundred twenty-nine".