121000221100229 has 4 divisors (see below), whose sum is σ = 121000431926976. Its totient is φ = 121000010273484.

The previous prime is 121000221100147. The next prime is 121000221100379. The reversal of 121000221100229 is 922001122000121.

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 not a de Polignac number, because 121000221100229 - 2⁸ = 121000221099973 is a prime.

It is a super-2 number, since 2×121000221100229² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121000221106229) 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, 104550119 + ... + 105701124.

It is an arithmetic number, because the mean of its divisors is an integer number (30250107981744).

Almost surely, 2^{121000221100229} is an apocalyptic number.

It is an amenable number.

121000221100229 is a deficient number, since it is larger than the sum of its proper divisors (210826747).

121000221100229 is an equidigital number, since it uses as much as digits as its factorization.

121000221100229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210826746.

The product of its (nonzero) digits is 288, while the sum is 23.

The spelling of 121000221100229 in words is "one hundred twenty-one trillion, two hundred twenty-one million, one hundred thousand, two hundred twenty-nine".