1201111200022 has 4 divisors (see below), whose sum is σ = 1801666800036. Its totient is φ = 600555600010.

The previous prime is 1201111200019. The next prime is 1201111200067. The reversal of 1201111200022 is 2200021111021.

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

It is a super-2 number, since 2×1201111200022² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1201111199975 and 1201111200011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 300277800004 + ... + 300277800007.

It is an arithmetic number, because the mean of its divisors is an integer number (450416700009).

Almost surely, 2^{1201111200022} is an apocalyptic number.

1201111200022 is a deficient number, since it is larger than the sum of its proper divisors (600555600014).

1201111200022 is an equidigital number, since it uses as much as digits as its factorization.

1201111200022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600555600013.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1201111200022 its reverse (2200021111021), we get a palindrome (3401132311043).

The spelling of 1201111200022 in words is "one trillion, two hundred one billion, one hundred eleven million, two hundred thousand, twenty-two".