121011202222101 has 6 divisors (see below), whose sum is σ = 174793958765270. Its totient is φ = 80674134814728.

The previous prime is 121011202222087. The next prime is 121011202222109. The reversal of 121011202222101 is 101222202110121.

121011202222101 is a `hidden beast` number, since 1 + 210 + 1 + 1 + 20 + 222 + 210 + 1 = 666.

121011202222101 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 64875534066225 + 56135668155876 = 8054535^2 + 7492374^2 .

It is not a de Polignac number, because 121011202222101 - 2⁵ = 121011202222069 is a prime.

It is a super-2 number, since 2×121011202222101² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121011202222109) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6722844567886 + ... + 6722844567903.

Almost surely, 2^{121011202222101} is an apocalyptic number.

It is an amenable number.

121011202222101 is a deficient number, since it is larger than the sum of its proper divisors (53782756543169).

121011202222101 is a wasteful number, since it uses less digits than its factorization.

121011202222101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13445689135795 (or 13445689135792 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 121011202222101 its reverse (101222202110121), we get a palindrome (222233404332222).

The spelling of 121011202222101 in words is "one hundred twenty-one trillion, eleven billion, two hundred two million, two hundred twenty-two thousand, one hundred one".