211010202019 has 4 divisors (see below), whose sum is σ = 211023354496. Its totient is φ = 210997049544.

The previous prime is 211010201993. The next prime is 211010202023. The reversal of 211010202019 is 910202010112.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 211010202019 - 2¹³ = 211010193827 is a prime.

It is a super-2 number, since 2×211010202019² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 211010201987 and 211010202005.

It is not an unprimeable number, because it can be changed into a prime (211010202079) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6552144 + ... + 6584269.

It is an arithmetic number, because the mean of its divisors is an integer number (52755838624).

Almost surely, 2^211010202019 is an apocalyptic number.

211010202019 is a deficient number, since it is larger than the sum of its proper divisors (13152477).

211010202019 is a wasteful number, since it uses less digits than its factorization.

211010202019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13152476.

The product of its (nonzero) digits is 72, while the sum is 19.

The spelling of 211010202019 in words is "two hundred eleven billion, ten million, two hundred two thousand, nineteen".