222022012110021 has 48 divisors (see below), whose sum is σ = 339942408249600. Its totient is φ = 139152353739264.

The previous prime is 222022012109981. The next prime is 222022012110053. The reversal of 222022012110021 is 120011210220222.

It is a happy number.

222022012110021 is a `hidden beast` number, since 2 + 220 + 220 + 121 + 100 + 2 + 1 = 666.

It is not a de Polignac number, because 222022012110021 - 2¹⁹ = 222022011585733 is a prime.

It is a super-2 number, since 2×222022012110021² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 222022012109976 and 222022012110003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222022012110071) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 922177560 + ... + 922418286.

It is an arithmetic number, because the mean of its divisors is an integer number (7082133505200).

Almost surely, 2^{222022012110021} is an apocalyptic number.

It is an amenable number.

222022012110021 is a deficient number, since it is larger than the sum of its proper divisors (117920396139579).

222022012110021 is a wasteful number, since it uses less digits than its factorization.

222022012110021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247458 (or 247455 counting only the distinct ones).

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

Adding to 222022012110021 its reverse (120011210220222), we get a palindrome (342033222330243).

The spelling of 222022012110021 in words is "two hundred twenty-two trillion, twenty-two billion, twelve million, one hundred ten thousand, twenty-one".