221010100202122 has 32 divisors (see below), whose sum is σ = 413322254092800. Its totient is φ = 86106859559280.

The previous prime is 221010100202093. The next prime is 221010100202237. The reversal of 221010100202122 is 221202001010122.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 221010100202096 and 221010100202105.

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, 5669629 + ... + 21775327.

It is an arithmetic number, because the mean of its divisors is an integer number (12916320440400).

Almost surely, 2^{221010100202122} is an apocalyptic number.

221010100202122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

221010100202122 is a deficient number, since it is larger than the sum of its proper divisors (192312153890678).

221010100202122 is a wasteful number, since it uses less digits than its factorization.

221010100202122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16194826.

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

Adding to 221010100202122 its reverse (221202001010122), we get a palindrome (442212101212244).

The spelling of 221010100202122 in words is "two hundred twenty-one trillion, ten billion, one hundred million, two hundred two thousand, one hundred twenty-two".