21122034023311 has 8 divisors (see below), whose sum is σ = 22861111431200. Its totient is φ = 19399285981152.

The previous prime is 21122034023291. The next prime is 21122034023333. The reversal of 21122034023311 is 11332043022112.

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

It is a cyclic number.

It is not a de Polignac number, because 21122034023311 - 2⁹ = 21122034022799 is a prime.

It is a super-2 number, since 2×21122034023311² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21122034023411) 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, 4082338740 + ... + 4082343913.

It is an arithmetic number, because the mean of its divisors is an integer number (2857638928900).

Almost surely, 2^{21122034023311} is an apocalyptic number.

21122034023311 is a deficient number, since it is larger than the sum of its proper divisors (1739077407889).

21122034023311 is a wasteful number, since it uses less digits than its factorization.

21122034023311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8164682865.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 21122034023311 its reverse (11332043022112), we get a palindrome (32454077045423).

The spelling of 21122034023311 in words is "twenty-one trillion, one hundred twenty-two billion, thirty-four million, twenty-three thousand, three hundred eleven".