1211241321010 has 32 divisors (see below), whose sum is σ = 2491743047040. Its totient is φ = 415274969472.

The previous prime is 1211241320951. The next prime is 1211241321029. The reversal of 1211241321010 is 101231421121.

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, 4600206 + ... + 4856374.

It is an arithmetic number, because the mean of its divisors is an integer number (77866970220).

Almost surely, 2^{1211241321010} is an apocalyptic number.

1211241321010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1211241321010 is an abundant number, since it is smaller than the sum of its proper divisors (1280501726030).

1211241321010 is a wasteful number, since it uses less digits than its factorization.

1211241321010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323730.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 1211241321010 its reverse (101231421121), we get a palindrome (1312472742131).

The spelling of 1211241321010 in words is "one trillion, two hundred eleven billion, two hundred forty-one million, three hundred twenty-one thousand, ten".