22011211012021 has 8 divisors (see below), whose sum is σ = 27442548794304. Its totient is φ = 17151592996320.

The previous prime is 22011211012013. The next prime is 22011211012081. The reversal of 22011211012021 is 12021011211022.

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 22011211012021 - 2³ = 22011211012013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22011211011986 and 22011211012004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22011211012081) 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, 142929941560 + ... + 142929941713.

It is an arithmetic number, because the mean of its divisors is an integer number (3430318599288).

Almost surely, 2^{22011211012021} is an apocalyptic number.

It is an amenable number.

22011211012021 is a deficient number, since it is larger than the sum of its proper divisors (5431337782283).

22011211012021 is a wasteful number, since it uses less digits than its factorization.

22011211012021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285859883291.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 22011211012021 its reverse (12021011211022), we get a palindrome (34032222223043).

The spelling of 22011211012021 in words is "twenty-two trillion, eleven billion, two hundred eleven million, twelve thousand, twenty-one".