211020011110 has 32 divisors (see below), whose sum is σ = 402226445952. Its totient is φ = 79433518080.

The previous prime is 211020011057. The next prime is 211020011113. The reversal of 211020011110 is 11110020112.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211020011113) 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, 1479330 + ... + 1615690.

It is an arithmetic number, because the mean of its divisors is an integer number (12569576436).

Almost surely, 2^211020011110 is an apocalyptic number.

211020011110 is a deficient number, since it is larger than the sum of its proper divisors (191206434842).

211020011110 is a wasteful number, since it uses less digits than its factorization.

211020011110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145488.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 211020011110 its reverse (11110020112), we get a palindrome (222130031222).

The spelling of 211020011110 in words is "two hundred eleven billion, twenty million, eleven thousand, one hundred ten".