21022020020199 has 32 divisors (see below), whose sum is σ = 30708374019840. Its totient is φ = 12686094374400.

The previous prime is 21022020020171. The next prime is 21022020020249. The reversal of 21022020020199 is 99102002022012.

It is not a de Polignac number, because 21022020020199 - 2¹¹ = 21022020018151 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21022020020149) 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, 62095224 + ... + 62432850.

It is an arithmetic number, because the mean of its divisors is an integer number (959636688120).

Almost surely, 2^{21022020020199} is an apocalyptic number.

21022020020199 is a deficient number, since it is larger than the sum of its proper divisors (9686353999641).

21022020020199 is a wasteful number, since it uses less digits than its factorization.

21022020020199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345711.

The product of its (nonzero) digits is 2592, while the sum is 30.

The spelling of 21022020020199 in words is "twenty-one trillion, twenty-two billion, twenty million, twenty thousand, one hundred ninety-nine".