1201220211110 has 16 divisors (see below), whose sum is σ = 2236754876400. Its totient is φ = 463919529696.

The previous prime is 1201220211083. The next prime is 1201220211127. The reversal of 1201220211110 is 111120221021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2071069040 + ... + 2071069619.

It is an arithmetic number, because the mean of its divisors is an integer number (139797179775).

Almost surely, 2^{1201220211110} is an apocalyptic number.

1201220211110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1201220211110 is a deficient number, since it is larger than the sum of its proper divisors (1035534665290).

1201220211110 is a wasteful number, since it uses less digits than its factorization.

1201220211110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4142138695.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1201220211110 its reverse (111120221021), we get a palindrome (1312340432131).

The spelling of 1201220211110 in words is "one trillion, two hundred one billion, two hundred twenty million, two hundred eleven thousand, one hundred ten".