11002020121949 has 2 divisors, whose sum is σ = 11002020121950. Its totient is φ = 11002020121948.

The previous prime is 11002020121933. The next prime is 11002020122021. The reversal of 11002020121949 is 94912102020011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7931489364100 + 3070530757849 = 2816290^2 + 1752293^2 .

It is a cyclic number.

It is not a de Polignac number, because 11002020121949 - 2⁴ = 11002020121933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11002020121049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5501010060974 + 5501010060975.

It is an arithmetic number, because the mean of its divisors is an integer number (5501010060975).

Almost surely, 2^{11002020121949} is an apocalyptic number.

It is an amenable number.

11002020121949 is a deficient number, since it is larger than the sum of its proper divisors (1).

11002020121949 is an equidigital number, since it uses as much as digits as its factorization.

11002020121949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 32.

The spelling of 11002020121949 in words is "eleven trillion, two billion, twenty million, one hundred twenty-one thousand, nine hundred forty-nine".