1122221201023 has 32 divisors (see below), whose sum is σ = 1229082970752. Its totient is φ = 1018463846400.

The previous prime is 1122221200981. The next prime is 1122221201029. The reversal of 1122221201023 is 3201021222211.

It is not a de Polignac number, because 1122221201023 - 2¹⁷ = 1122221069951 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122221201029) 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, 147831958 + ... + 147839548.

It is an arithmetic number, because the mean of its divisors is an integer number (38408842836).

Almost surely, 2^{1122221201023} is an apocalyptic number.

1122221201023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1122221201023 is a deficient number, since it is larger than the sum of its proper divisors (106861769729).

1122221201023 is a wasteful number, since it uses less digits than its factorization.

1122221201023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8515.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 1122221201023 its reverse (3201021222211), we get a palindrome (4323242423234).

The spelling of 1122221201023 in words is "one trillion, one hundred twenty-two billion, two hundred twenty-one million, two hundred one thousand, twenty-three".