22222021011 has 8 divisors (see below), whose sum is σ = 29632170960. Its totient is φ = 14813275872.

The previous prime is 22222021009. The next prime is 22222021013. The reversal of 22222021011 is 11012022222.

It is an interprime number because it is at equal distance from previous prime (22222021009) and next prime (22222021013).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22222021011 - 2¹ = 22222021009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22222021013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 313720 + ... + 377973.

It is an arithmetic number, because the mean of its divisors is an integer number (3704021370).

Almost surely, 2^22222021011 is an apocalyptic number.

22222021011 is a deficient number, since it is larger than the sum of its proper divisors (7410149949).

22222021011 is a wasteful number, since it uses less digits than its factorization.

22222021011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 702405.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 22222021011 its reverse (11012022222), we get a palindrome (33234043233).

The spelling of 22222021011 in words is "twenty-two billion, two hundred twenty-two million, twenty-one thousand, eleven".