1211320023022 has 16 divisors (see below), whose sum is σ = 1851554194560. Its totient is φ = 594138890592.

The previous prime is 1211320023013. The next prime is 1211320023047. The reversal of 1211320023022 is 2203200231121.

It is a super-2 number, since 2×1211320023022² (a number of 25 digits) contains 22 as substring.

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, 221022 + ... + 1572097.

It is an arithmetic number, because the mean of its divisors is an integer number (115722137160).

Almost surely, 2^{1211320023022} is an apocalyptic number.

1211320023022 is a deficient number, since it is larger than the sum of its proper divisors (640234171538).

1211320023022 is a wasteful number, since it uses less digits than its factorization.

1211320023022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1799547.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 1211320023022 its reverse (2203200231121), we get a palindrome (3414520254143).

The spelling of 1211320023022 in words is "one trillion, two hundred eleven billion, three hundred twenty million, twenty-three thousand, twenty-two".