121010221112009 has 8 divisors (see below), whose sum is σ = 122208661872000. Its totient is φ = 119811786622000.

The previous prime is 121010221111987. The next prime is 121010221112063. The reversal of 121010221112009 is 900211122010121.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121010221112009 is a prime.

It is a super-2 number, since 2×121010221112009² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121010221111009) 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, 43650704 + ... + 46340094.

It is an arithmetic number, because the mean of its divisors is an integer number (15276082734000).

Almost surely, 2^{121010221112009} is an apocalyptic number.

It is an amenable number.

121010221112009 is a deficient number, since it is larger than the sum of its proper divisors (1198440759991).

121010221112009 is a wasteful number, since it uses less digits than its factorization.

121010221112009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3134991.

The product of its (nonzero) digits is 144, while the sum is 23.

The spelling of 121010221112009 in words is "one hundred twenty-one trillion, ten billion, two hundred twenty-one million, one hundred twelve thousand, nine".