222121222002010 has 32 divisors (see below), whose sum is σ = 417203684933760. Its totient is φ = 84985086234048.

The previous prime is 222121222001993. The next prime is 222121222002019. The reversal of 222121222002010 is 10200222121222.

It is a super-2 number, since 2×222121222002010² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (222121222002019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45789256 + ... + 50407324.

It is an arithmetic number, because the mean of its divisors is an integer number (13037615154180).

Almost surely, 2^{222121222002010} is an apocalyptic number.

222121222002010 is a deficient number, since it is larger than the sum of its proper divisors (195082462931750).

222121222002010 is a wasteful number, since it uses less digits than its factorization.

222121222002010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4827222.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 222121222002010 its reverse (10200222121222), we get a palindrome (232321444123232).

The spelling of 222121222002010 in words is "two hundred twenty-two trillion, one hundred twenty-one billion, two hundred twenty-two million, two thousand, ten".