210022011111 has 32 divisors (see below), whose sum is σ = 307416872448. Its totient is φ = 126482279040.

The previous prime is 210022011079. The next prime is 210022011149. The reversal of 210022011111 is 111110220012.

It is not a de Polignac number, because 210022011111 - 2⁵ = 210022011079 is a prime.

It is a super-2 number, since 2×210022011111² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210022011211) 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, 28637001 + ... + 28644333.

It is an arithmetic number, because the mean of its divisors is an integer number (9606777264).

Almost surely, 2^210022011111 is an apocalyptic number.

210022011111 is a deficient number, since it is larger than the sum of its proper divisors (97394861337).

210022011111 is a wasteful number, since it uses less digits than its factorization.

210022011111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12711.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 210022011111 its reverse (111110220012), we get a palindrome (321132231123).

The spelling of 210022011111 in words is "two hundred ten billion, twenty-two million, eleven thousand, one hundred eleven".