23111021220002 has 4 divisors (see below), whose sum is σ = 34666531830006. Its totient is φ = 11555510610000.

The previous prime is 23111021219987. The next prime is 23111021220073. The reversal of 23111021220002 is 20002212011132.

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

It can be written as a sum of positive squares in only one way, i.e., 22129695216841 + 981326003161 = 4704221^2 + 990619^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5777755304999 + ... + 5777755305002.

Almost surely, 2^{23111021220002} is an apocalyptic number.

23111021220002 is a deficient number, since it is larger than the sum of its proper divisors (11555510610004).

23111021220002 is a wasteful number, since it uses less digits than its factorization.

23111021220002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11555510610003.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 23111021220002 its reverse (20002212011132), we get a palindrome (43113233231134).

The spelling of 23111021220002 in words is "twenty-three trillion, one hundred eleven billion, twenty-one million, two hundred twenty thousand, two".