121023101099 has 8 divisors (see below), whose sum is σ = 128146088880. Its totient is φ = 113900555776.

The previous prime is 121023101077. The next prime is 121023101159. The reversal of 121023101099 is 990101320121.

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

It is a cyclic number.

It is not a de Polignac number, because 121023101099 - 2⁸ = 121023100843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121023101029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 573452 + ... + 755574.

It is an arithmetic number, because the mean of its divisors is an integer number (16018261110).

Almost surely, 2^121023101099 is an apocalyptic number.

121023101099 is a deficient number, since it is larger than the sum of its proper divisors (7122987781).

121023101099 is a wasteful number, since it uses less digits than its factorization.

121023101099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221229.

The product of its (nonzero) digits is 972, while the sum is 29.

The spelling of 121023101099 in words is "one hundred twenty-one billion, twenty-three million, one hundred one thousand, ninety-nine".