202011019849057 has 2 divisors, whose sum is σ = 202011019849058. Its totient is φ = 202011019849056.

The previous prime is 202011019849049. The next prime is 202011019849087. The reversal of 202011019849057 is 750948910110202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 200982111897856 + 1028907951201 = 14176816^2 + 1014351^2 .

It is a cyclic number.

It is not a de Polignac number, because 202011019849057 - 2³ = 202011019849049 is a prime.

It is a super-2 number, since 2×202011019849057² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 202011019849057.

It is not a weakly prime, because it can be changed into another prime (202011019849087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101005509924528 + 101005509924529.

It is an arithmetic number, because the mean of its divisors is an integer number (101005509924529).

Almost surely, 2^{202011019849057} is an apocalyptic number.

It is an amenable number.

202011019849057 is a deficient number, since it is larger than the sum of its proper divisors (1).

202011019849057 is an equidigital number, since it uses as much as digits as its factorization.

202011019849057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 362880, while the sum is 49.

Adding to 202011019849057 its reverse (750948910110202), we get a palindrome (952959929959259).

The spelling of 202011019849057 in words is "two hundred two trillion, eleven billion, nineteen million, eight hundred forty-nine thousand, fifty-seven".