121022121000001 has 8 divisors (see below), whose sum is σ = 130444748227584. Its totient is φ = 111615669958800.

The previous prime is 121022120999993. The next prime is 121022121000037. The reversal of 121022121000001 is 100000121220121.

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 121022121000001 - 2³ = 121022120999993 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121022121000301) 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, 4044031051 + ... + 4044060976.

It is an arithmetic number, because the mean of its divisors is an integer number (16305593528448).

Almost surely, 2^{121022121000001} is an apocalyptic number.

It is an amenable number.

121022121000001 is a deficient number, since it is larger than the sum of its proper divisors (9422627227583).

121022121000001 is a wasteful number, since it uses less digits than its factorization.

121022121000001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8088093191.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 121022121000001 its reverse (100000121220121), we get a palindrome (221022242220122).

The spelling of 121022121000001 in words is "one hundred twenty-one trillion, twenty-two billion, one hundred twenty-one million, one", and thus it is an aban number.