11222022002121 has 32 divisors (see below), whose sum is σ = 19000726567680. Its totient is φ = 6412422786048.

The previous prime is 11222022002111. The next prime is 11222022002141. The reversal of 11222022002121 is 12120022022211.

It is a happy number.

11222022002121 is a `hidden beast` number, since 1 + 12 + 220 + 220 + 0 + 212 + 1 = 666.

It is not a de Polignac number, because 11222022002121 - 2⁵ = 11222022002089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11222022002094 and 11222022002103.

It is not an unprimeable number, because it can be changed into a prime (11222022002111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7003615 + ... + 8455451.

It is an arithmetic number, because the mean of its divisors is an integer number (593772705240).

Almost surely, 2^{11222022002121} is an apocalyptic number.

It is an amenable number.

11222022002121 is a deficient number, since it is larger than the sum of its proper divisors (7778704565559).

11222022002121 is a wasteful number, since it uses less digits than its factorization.

11222022002121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1492750 (or 1492744 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 11222022002121 its reverse (12120022022211), we get a palindrome (23342044024332).

The spelling of 11222022002121 in words is "eleven trillion, two hundred twenty-two billion, twenty-two million, two thousand, one hundred twenty-one".