121022020011 has 8 divisors (see below), whose sum is σ = 168378462720. Its totient is φ = 77173461992.

The previous prime is 121022019977. The next prime is 121022020013. The reversal of 121022020011 is 110020220121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 121022020011 - 2¹⁵ = 121021987243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121022020013) 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, 876971091 + ... + 876971228.

It is an arithmetic number, because the mean of its divisors is an integer number (21047307840).

Almost surely, 2^121022020011 is an apocalyptic number.

121022020011 is a deficient number, since it is larger than the sum of its proper divisors (47356442709).

121022020011 is a wasteful number, since it uses less digits than its factorization.

121022020011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1753942345.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 121022020011 its reverse (110020220121), we get a palindrome (231042240132).

The spelling of 121022020011 in words is "one hundred twenty-one billion, twenty-two million, twenty thousand, eleven".