222011210022021 has 32 divisors (see below), whose sum is σ = 380420815057920. Its totient is φ = 125335072086192.

The previous prime is 222011210022013. The next prime is 222011210022097. The reversal of 222011210022021 is 120220012110222.

It is a happy number.

222011210022021 is a `hidden beast` number, since 2 + 220 + 11 + 210 + 0 + 220 + 2 + 1 = 666.

222011210022021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 222011210022021 - 2³ = 222011210022013 is a prime.

It is a super-2 number, since 2×222011210022021² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 222011210021985 and 222011210022003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222011211022021) 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, 7076264355 + ... + 7076295728.

It is an arithmetic number, because the mean of its divisors is an integer number (11888150470560).

Almost surely, 2^{222011210022021} is an apocalyptic number.

222011210022021 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

222011210022021 is a deficient number, since it is larger than the sum of its proper divisors (158409605035899).

222011210022021 is a wasteful number, since it uses less digits than its factorization.

222011210022021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14152560182 (or 14152560176 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 222011210022021 its reverse (120220012110222), we get a palindrome (342231222132243).

The spelling of 222011210022021 in words is "two hundred twenty-two trillion, eleven billion, two hundred ten million, twenty-two thousand, twenty-one".