221202100022 has 16 divisors (see below), whose sum is σ = 335586359232. Its totient is φ = 109344191880.

The previous prime is 221202099983. The next prime is 221202100033. The reversal of 221202100022 is 220001202122.

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, 947528 + ... + 1157675.

It is an arithmetic number, because the mean of its divisors is an integer number (20974147452).

Almost surely, 2^221202100022 is an apocalyptic number.

221202100022 is a deficient number, since it is larger than the sum of its proper divisors (114384259210).

221202100022 is a wasteful number, since it uses less digits than its factorization.

221202100022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2105803.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 221202100022 its reverse (220001202122), we get a palindrome (441203302144).

The spelling of 221202100022 in words is "two hundred twenty-one billion, two hundred two million, one hundred thousand, twenty-two".