1201010222111 has 4 divisors (see below), whose sum is σ = 1372583110992. Its totient is φ = 1029437333232.

The previous prime is 1201010222077. The next prime is 1201010222117. The reversal of 1201010222111 is 1112220101021.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1201010222111 - 2²² = 1201006027807 is a prime.

It is a super-2 number, since 2×1201010222111² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201010222117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85786444430 + ... + 85786444443.

It is an arithmetic number, because the mean of its divisors is an integer number (343145777748).

Almost surely, 2^{1201010222111} is an apocalyptic number.

1201010222111 is a deficient number, since it is larger than the sum of its proper divisors (171572888881).

1201010222111 is an equidigital number, since it uses as much as digits as its factorization.

1201010222111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171572888880.

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

Adding to 1201010222111 its reverse (1112220101021), we get a palindrome (2313230323132).

The spelling of 1201010222111 in words is "one trillion, two hundred one billion, ten million, two hundred twenty-two thousand, one hundred eleven".