2200021221157 has 2 divisors, whose sum is σ = 2200021221158. Its totient is φ = 2200021221156.

The previous prime is 2200021221091. The next prime is 2200021221163. The reversal of 2200021221157 is 7511221200022.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1246916155716 + 953105065441 = 1116654^2 + 976271^2 .

It is a cyclic number.

It is not a de Polignac number, because 2200021221157 - 2³⁹ = 1650265407269 is a prime.

It is a super-2 number, since 2×2200021221157² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2200021251157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1100010610578 + 1100010610579.

It is an arithmetic number, because the mean of its divisors is an integer number (1100010610579).

Almost surely, 2^{2200021221157} is an apocalyptic number.

It is an amenable number.

2200021221157 is a deficient number, since it is larger than the sum of its proper divisors (1).

2200021221157 is an equidigital number, since it uses as much as digits as its factorization.

2200021221157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1120, while the sum is 25.

Adding to 2200021221157 its reverse (7511221200022), we get a palindrome (9711242421179).

The spelling of 2200021221157 in words is "two trillion, two hundred billion, twenty-one million, two hundred twenty-one thousand, one hundred fifty-seven".