1210251153211 has 32 divisors (see below), whose sum is σ = 1309496647680. Its totient is φ = 1115235475200.

The previous prime is 1210251153197. The next prime is 1210251153227. The reversal of 1210251153211 is 1123511520121.

It is a cyclic number.

It is not a de Polignac number, because 1210251153211 - 2⁹ = 1210251152699 is a prime.

It is a super-2 number, since 2×1210251153211² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1210251153271) 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, 480066631 + ... + 480069151.

It is an arithmetic number, because the mean of its divisors is an integer number (40921770240).

Almost surely, 2^{1210251153211} is an apocalyptic number.

1210251153211 is a deficient number, since it is larger than the sum of its proper divisors (99245494469).

1210251153211 is a wasteful number, since it uses less digits than its factorization.

1210251153211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5347.

The product of its (nonzero) digits is 600, while the sum is 25.

Adding to 1210251153211 its reverse (1123511520121), we get a palindrome (2333762673332).

The spelling of 1210251153211 in words is "one trillion, two hundred ten billion, two hundred fifty-one million, one hundred fifty-three thousand, two hundred eleven".