1121221210010 has 64 divisors (see below), whose sum is σ = 2245170700800. Its totient is φ = 399674695680.

The previous prime is 1121221210007. The next prime is 1121221210013. The reversal of 1121221210010 is 100121221211.

It is an interprime number because it is at equal distance from previous prime (1121221210007) and next prime (1121221210013).

It is not an unprimeable number, because it can be changed into a prime (1121221210013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6638591 + ... + 6805389.

It is an arithmetic number, because the mean of its divisors is an integer number (35080792200).

Almost surely, 2^{1121221210010} is an apocalyptic number.

1121221210010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1121221210010 is an abundant number, since it is smaller than the sum of its proper divisors (1123949490790).

1121221210010 is a wasteful number, since it uses less digits than its factorization.

1121221210010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168023.

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

Adding to 1121221210010 its reverse (100121221211), we get a palindrome (1221342431221).

The spelling of 1121221210010 in words is "one trillion, one hundred twenty-one billion, two hundred twenty-one million, two hundred ten thousand, ten".