222121001011010 has 64 divisors (see below), whose sum is σ = 404998544522880. Its totient is φ = 87706283258880.

The previous prime is 222121001010947. The next prime is 222121001011037. The reversal of 222121001011010 is 10110100121222.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 157836497 + ... + 159237563.

It is an arithmetic number, because the mean of its divisors is an integer number (6328102258170).

Almost surely, 2^{222121001011010} is an apocalyptic number.

222121001011010 is a deficient number, since it is larger than the sum of its proper divisors (182877543511870).

222121001011010 is a wasteful number, since it uses less digits than its factorization.

222121001011010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1401891.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 222121001011010 its reverse (10110100121222), we get a palindrome (232231101132232).

The spelling of 222121001011010 in words is "two hundred twenty-two trillion, one hundred twenty-one billion, one million, eleven thousand, ten".