222121001001022 has 16 divisors (see below), whose sum is σ = 333274004946000. Its totient is φ = 111029669124480.

The previous prime is 222121001000959. The next prime is 222121001001047. The reversal of 222121001001022 is 220100100121222.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 222121001000987 and 222121001001005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144158929 + ... + 145691587.

It is an arithmetic number, because the mean of its divisors is an integer number (20829625309125).

Almost surely, 2^{222121001001022} is an apocalyptic number.

222121001001022 is a deficient number, since it is larger than the sum of its proper divisors (111153003944978).

222121001001022 is a wasteful number, since it uses less digits than its factorization.

222121001001022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1552731.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 222121001001022 its reverse (220100100121222), we get a palindrome (442221101122244).

The spelling of 222121001001022 in words is "two hundred twenty-two trillion, one hundred twenty-one billion, one million, one thousand, twenty-two".