1012221111010 has 32 divisors (see below), whose sum is σ = 1837178589312. Its totient is φ = 401519264640.

The previous prime is 1012221110977. The next prime is 1012221111043. The reversal of 1012221111010 is 101111222101.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1012221110977) and next prime (1012221111043).

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, 1628574 + ... + 2162566.

It is an arithmetic number, because the mean of its divisors is an integer number (57411830916).

Almost surely, 2^{1012221111010} is an apocalyptic number.

1012221111010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1012221111010 is a deficient number, since it is larger than the sum of its proper divisors (824957478302).

1012221111010 is a wasteful number, since it uses less digits than its factorization.

1012221111010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535578.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1012221111010 its reverse (101111222101), we get a palindrome (1113332333111).

The spelling of 1012221111010 in words is "one trillion, twelve billion, two hundred twenty-one million, one hundred eleven thousand, ten".