1201010210191 has 32 divisors (see below), whose sum is σ = 1436498426880. Its totient is φ = 991200806400.

The previous prime is 1201010210177. The next prime is 1201010210201. The reversal of 1201010210191 is 1910120101021.

It is a cyclic number.

It is not a de Polignac number, because 1201010210191 - 2⁷ = 1201010210063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201010210111) 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, 5483710 + ... + 5698516.

It is an arithmetic number, because the mean of its divisors is an integer number (44890575840).

Almost surely, 2^{1201010210191} is an apocalyptic number.

1201010210191 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1201010210191 is a deficient number, since it is larger than the sum of its proper divisors (235488216689).

1201010210191 is a wasteful number, since it uses less digits than its factorization.

1201010210191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215895.

The product of its (nonzero) digits is 36, while the sum is 19.

It can be divided in two parts, 12010 and 10210191, that added together give a palindrome (10222201).

The spelling of 1201010210191 in words is "one trillion, two hundred one billion, ten million, two hundred ten thousand, one hundred ninety-one".