1201111100110 has 32 divisors (see below), whose sum is σ = 2298322058400. Its totient is φ = 450651369600.

The previous prime is 1201111100107. The next prime is 1201111100143. The reversal of 1201111100110 is 110011111021.

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 15 ways as a sum of consecutive naturals, for example, 31276045 + ... + 31314424.

It is an arithmetic number, because the mean of its divisors is an integer number (71822564325).

Almost surely, 2^{1201111100110} is an apocalyptic number.

1201111100110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1201111100110 is a deficient number, since it is larger than the sum of its proper divisors (1097210958290).

1201111100110 is a wasteful number, since it uses less digits than its factorization.

1201111100110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62590596.

The product of its (nonzero) digits is 2, while the sum is 10.

Adding to 1201111100110 its reverse (110011111021), we get a palindrome (1311122211131).

It can be divided in two parts, 120111 and 1100110, that added together give a palindrome (1220221).

The spelling of 1201111100110 in words is "one trillion, two hundred one billion, one hundred eleven million, one hundred thousand, one hundred ten".