22212020012057 has 2 divisors, whose sum is σ = 22212020012058. Its totient is φ = 22212020012056.

The previous prime is 22212020011997. The next prime is 22212020012227. The reversal of 22212020012057 is 75021002021222.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18090892648921 + 4121127363136 = 4253339^2 + 2030056^2 .

It is a cyclic number.

It is not a de Polignac number, because 22212020012057 - 2¹⁰ = 22212020011033 is a prime.

It is not a weakly prime, because it can be changed into another prime (22212020012257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11106010006028 + 11106010006029.

It is an arithmetic number, because the mean of its divisors is an integer number (11106010006029).

Almost surely, 2^{22212020012057} is an apocalyptic number.

It is an amenable number.

22212020012057 is a deficient number, since it is larger than the sum of its proper divisors (1).

22212020012057 is an equidigital number, since it uses as much as digits as its factorization.

22212020012057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2240, while the sum is 26.

Adding to 22212020012057 its reverse (75021002021222), we get a palindrome (97233022033279).

The spelling of 22212020012057 in words is "twenty-two trillion, two hundred twelve billion, twenty million, twelve thousand, fifty-seven".