1210221211002 has 16 divisors (see below), whose sum is σ = 2420553505152. Its totient is φ = 403388556480.

The previous prime is 1210221210943. The next prime is 1210221211021. The reversal of 1210221211002 is 2001121220121.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4486498 + ... + 4748589.

It is an arithmetic number, because the mean of its divisors is an integer number (151284594072).

Almost surely, 2^{1210221211002} is an apocalyptic number.

1210221211002 is an abundant number, since it is smaller than the sum of its proper divisors (1210332294150).

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

1210221211002 is a wasteful number, since it uses less digits than its factorization.

1210221211002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9256933.

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

Adding to 1210221211002 its reverse (2001121220121), we get a palindrome (3211342431123).

The spelling of 1210221211002 in words is "one trillion, two hundred ten billion, two hundred twenty-one million, two hundred eleven thousand, two".