121000020230011 has 16 divisors (see below), whose sum is σ = 137378018131200. Its totient is φ = 105650237474208.

The previous prime is 121000020229909. The next prime is 121000020230017. The reversal of 121000020230011 is 110032020000121.

It is not a de Polignac number, because 121000020230011 - 2⁷ = 121000020229883 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 a junction number, because it is equal to n+sod(n) for n = 121000020229973 and 121000020230000.

It is not an unprimeable number, because it can be changed into a prime (121000020230017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 378417181 + ... + 378736798.

It is an arithmetic number, because the mean of its divisors is an integer number (8586126133200).

Almost surely, 2^{121000020230011} is an apocalyptic number.

121000020230011 is a deficient number, since it is larger than the sum of its proper divisors (16377997901189).

121000020230011 is a wasteful number, since it uses less digits than its factorization.

121000020230011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 757154658.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 121000020230011 its reverse (110032020000121), we get a palindrome (231032040230132).

The spelling of 121000020230011 in words is "one hundred twenty-one trillion, twenty million, two hundred thirty thousand, eleven".