121111033001 has 16 divisors (see below), whose sum is σ = 144674221824. Its totient is φ = 99128477184.

The previous prime is 121111032941. The next prime is 121111033033. The reversal of 121111033001 is 100330111121.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 121111033001 - 2¹⁸ = 121110770857 is a prime.

It is a super-2 number, since 2×121111033001² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121111033061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 538796 + ... + 729741.

It is an arithmetic number, because the mean of its divisors is an integer number (9042138864).

Almost surely, 2^121111033001 is an apocalyptic number.

It is an amenable number.

121111033001 is a deficient number, since it is larger than the sum of its proper divisors (23563188823).

121111033001 is a wasteful number, since it uses less digits than its factorization.

121111033001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1269160.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 121111033001 its reverse (100330111121), we get a palindrome (221441144122).

The spelling of 121111033001 in words is "one hundred twenty-one billion, one hundred eleven million, thirty-three thousand, one".