21121202022219 has 48 divisors (see below), whose sum is σ = 34545324166080. Its totient is φ = 12343738417920.

The previous prime is 21121202022197. The next prime is 21121202022241. The reversal of 21121202022219 is 91222020212112.

21121202022219 is a `hidden beast` number, since 2 + 112 + 120 + 202 + 221 + 9 = 666.

It is an interprime number because it is at equal distance from previous prime (21121202022197) and next prime (21121202022241).

It is not a de Polignac number, because 21121202022219 - 2⁸ = 21121202021963 is a prime.

It is a super-2 number, since 2×21121202022219² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21121202022192 and 21121202022201.

It is not an unprimeable number, because it can be changed into a prime (21121202122219) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 50817079 + ... + 51231024.

It is an arithmetic number, because the mean of its divisors is an integer number (719694253460).

Almost surely, 2^{21121202022219} is an apocalyptic number.

21121202022219 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

21121202022219 is a deficient number, since it is larger than the sum of its proper divisors (13424122143861).

21121202022219 is a wasteful number, since it uses less digits than its factorization.

21121202022219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102048212 (or 102048209 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The spelling of 21121202022219 in words is "twenty-one trillion, one hundred twenty-one billion, two hundred two million, twenty-two thousand, two hundred nineteen".