121022100011 has 16 divisors (see below), whose sum is σ = 122512432896. Its totient is φ = 119542500000.

The previous prime is 121022100007. The next prime is 121022100013. The reversal of 121022100011 is 110001220121.

It is a cyclic number.

It is not a de Polignac number, because 121022100011 - 2² = 121022100007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121022099965 and 121022100001.

It is not an unprimeable number, because it can be changed into a prime (121022100013) 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, 26187281 + ... + 26191901.

It is an arithmetic number, because the mean of its divisors is an integer number (7657027056).

Almost surely, 2^121022100011 is an apocalyptic number.

121022100011 is a deficient number, since it is larger than the sum of its proper divisors (1490332885).

121022100011 is a wasteful number, since it uses less digits than its factorization.

121022100011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5714.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 121022100011 its reverse (110001220121), we get a palindrome (231023320132).

The spelling of 121022100011 in words is "one hundred twenty-one billion, twenty-two million, one hundred thousand, eleven".