121120002111011 has 4 divisors (see below), whose sum is σ = 121120056906024. Its totient is φ = 121119947316000.

The previous prime is 121120002110981. The next prime is 121120002111019. The reversal of 121120002111011 is 110111200021121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 121120002111011 - 2³⁸ = 120845124204067 is a prime.

It is a super-2 number, since 2×121120002111011² (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 (121120002111019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23936105 + ... + 28551306.

It is an arithmetic number, because the mean of its divisors is an integer number (30280014226506).

Almost surely, 2^{121120002111011} is an apocalyptic number.

121120002111011 is a deficient number, since it is larger than the sum of its proper divisors (54795013).

121120002111011 is an equidigital number, since it uses as much as digits as its factorization.

121120002111011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54795012.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 121120002111011 its reverse (110111200021121), we get a palindrome (231231202132132).

It can be divided in two parts, 1211200021110 and 11, that added together give a palindrome (1211200021121).

The spelling of 121120002111011 in words is "one hundred twenty-one trillion, one hundred twenty billion, two million, one hundred eleven thousand, eleven".