1211000201110 has 64 divisors (see below), whose sum is σ = 2622705868800. Its totient is φ = 393288988032.

The previous prime is 1211000201087. The next prime is 1211000201141. The reversal of 1211000201110 is 111020001121.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9382896 + ... + 9511084.

It is an arithmetic number, because the mean of its divisors is an integer number (40979779200).

Almost surely, 2^{1211000201110} is an apocalyptic number.

1211000201110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1211000201110 is an abundant number, since it is smaller than the sum of its proper divisors (1411705667690).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1211000201110 is a wasteful number, since it uses less digits than its factorization.

1211000201110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135325.

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

Adding to 1211000201110 its reverse (111020001121), we get a palindrome (1322020202231).

The spelling of 1211000201110 in words is "one trillion, two hundred eleven billion, two hundred one thousand, one hundred ten".