1201111000022 has 32 divisors (see below), whose sum is σ = 1847397784320. Its totient is φ = 585370769760.

The previous prime is 1201111000003. The next prime is 1201111000027. The reversal of 1201111000022 is 2200001111021.

It is a junction number, because it is equal to n+sod(n) for n = 1201110999967 and 1201111000012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201111000027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 146134229 + ... + 146142447.

It is an arithmetic number, because the mean of its divisors is an integer number (57731180760).

Almost surely, 2^{1201111000022} is an apocalyptic number.

1201111000022 is a deficient number, since it is larger than the sum of its proper divisors (646286784298).

1201111000022 is a wasteful number, since it uses less digits than its factorization.

1201111000022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11588.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1201111000022 its reverse (2200001111021), we get a palindrome (3401112111043).

The spelling of 1201111000022 in words is "one trillion, two hundred one billion, one hundred eleven million, twenty-two", and thus it is an aban number.