211211112021019 has 24 divisors (see below), whose sum is σ = 232332243154704. Its totient is φ = 191865755347200.

The previous prime is 211211112020999. The next prime is 211211112021113. The reversal of 211211112021019 is 910120211112112.

It is not a de Polignac number, because 211211112021019 - 2¹⁹ = 211211111496731 is a prime.

It is a super-2 number, since 2×211211112021019² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 211211112020984 and 211211112021002.

It is not an unprimeable number, because it can be changed into a prime (211211112024019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1263314559 + ... + 1263481735.

It is an arithmetic number, because the mean of its divisors is an integer number (9680510131446).

Almost surely, 2^{211211112021019} is an apocalyptic number.

211211112021019 is a deficient number, since it is larger than the sum of its proper divisors (21121131133685).

211211112021019 is a wasteful number, since it uses less digits than its factorization.

211211112021019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174987 (or 174976 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 25.

The spelling of 211211112021019 in words is "two hundred eleven trillion, two hundred eleven billion, one hundred twelve million, twenty-one thousand, nineteen".