221111201001022 has 32 divisors (see below), whose sum is σ = 337599228114720. Its totient is φ = 108583527137280.

The previous prime is 221111201001017. The next prime is 221111201001043. The reversal of 221111201001022 is 220100102111122.

It is a super-2 number, since 2×221111201001022² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 221111201000987 and 221111201001005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 347742633 + ... + 348377899.

It is an arithmetic number, because the mean of its divisors is an integer number (10549975878585).

Almost surely, 2^{221111201001022} is an apocalyptic number.

221111201001022 is a deficient number, since it is larger than the sum of its proper divisors (116488027113698).

221111201001022 is a wasteful number, since it uses less digits than its factorization.

221111201001022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639516.

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

Adding to 221111201001022 its reverse (220100102111122), we get a palindrome (441211303112144).

The spelling of 221111201001022 in words is "two hundred twenty-one trillion, one hundred eleven billion, two hundred one million, one thousand, twenty-two".