121111010022001 has 8 divisors (see below), whose sum is σ = 121144428135360. Its totient is φ = 121077594454608.

The previous prime is 121111010021959. The next prime is 121111010022019. The reversal of 121111010022001 is 100220010111121.

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-121111010022001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121111010022031) 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, 96557460 + ... + 97803706.

It is an arithmetic number, because the mean of its divisors is an integer number (15143053516920).

Almost surely, 2^{121111010022001} is an apocalyptic number.

It is an amenable number.

121111010022001 is a deficient number, since it is larger than the sum of its proper divisors (33418113359).

121111010022001 is a wasteful number, since it uses less digits than its factorization.

121111010022001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1272983.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 121111010022001 its reverse (100220010111121), we get a palindrome (221331020133122).

The spelling of 121111010022001 in words is "one hundred twenty-one trillion, one hundred eleven billion, ten million, twenty-two thousand, one".