222112100021010 has 16 divisors (see below), whose sum is σ = 533069040050496. Its totient is φ = 59229893338928.

The previous prime is 222112100020973. The next prime is 222112100021039. The reversal of 222112100021010 is 10120001211222.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3701868333654 + ... + 3701868333713.

It is an arithmetic number, because the mean of its divisors is an integer number (33316815003156).

Almost surely, 2^{222112100021010} is an apocalyptic number.

222112100021010 is an abundant number, since it is smaller than the sum of its proper divisors (310956940029486).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222112100021010 is a wasteful number, since it uses less digits than its factorization.

222112100021010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7403736667377.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 222112100021010 its reverse (10120001211222), we get a palindrome (232232101232232).

The spelling of 222112100021010 in words is "two hundred twenty-two trillion, one hundred twelve billion, one hundred million, twenty-one thousand, ten".