222010102122021 has 6 divisors (see below), whose sum is σ = 320681258620710. Its totient is φ = 148006734748008.

The previous prime is 222010102122013. The next prime is 222010102122023. The reversal of 222010102122021 is 120221201010222.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 220545844817796 + 1464257304225 = 14850786^2 + 1210065^2 .

It is not a de Polignac number, because 222010102122021 - 2³ = 222010102122013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 222010102121985 and 222010102122003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222010102122023) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12333894562326 + ... + 12333894562343.

It is an arithmetic number, because the mean of its divisors is an integer number (53446876436785).

Almost surely, 2^{222010102122021} is an apocalyptic number.

It is an amenable number.

222010102122021 is a deficient number, since it is larger than the sum of its proper divisors (98671156498689).

222010102122021 is a wasteful number, since it uses less digits than its factorization.

222010102122021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24667789124675 (or 24667789124672 counting only the distinct ones).

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

Adding to 222010102122021 its reverse (120221201010222), we get a palindrome (342231303132243).

The spelling of 222010102122021 in words is "two hundred twenty-two trillion, ten billion, one hundred two million, one hundred twenty-two thousand, twenty-one".