20211111002119 has 16 divisors (see below), whose sum is σ = 20884645822464. Its totient is φ = 19538928208800.

The previous prime is 20211111001979. The next prime is 20211111002141. The reversal of 20211111002119 is 91120011111202.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 20211111002119 - 2⁴¹ = 18012087746567 is a prime.

It is a super-2 number, since 2×20211111002119² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20211111002119.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20211111002179) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 331717992 + ... + 331778914.

It is an arithmetic number, because the mean of its divisors is an integer number (1305290363904).

Almost surely, 2^{20211111002119} is an apocalyptic number.

20211111002119 is a deficient number, since it is larger than the sum of its proper divisors (673534820345).

20211111002119 is a wasteful number, since it uses less digits than its factorization.

20211111002119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71838.

The product of its (nonzero) digits is 72, while the sum is 22.

The spelling of 20211111002119 in words is "twenty trillion, two hundred eleven billion, one hundred eleven million, two thousand, one hundred nineteen".