1210222202011 has 16 divisors (see below), whose sum is σ = 1281733286400. Its totient is φ = 1139494644288.

The previous prime is 1210222202009. The next prime is 1210222202041. The reversal of 1210222202011 is 1102022220121.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1210222202011 - 2¹ = 1210222202009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1210222202041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25388746 + ... + 25436368.

It is an arithmetic number, because the mean of its divisors is an integer number (80108330400).

Almost surely, 2^{1210222202011} is an apocalyptic number.

1210222202011 is a deficient number, since it is larger than the sum of its proper divisors (71511084389).

1210222202011 is a wasteful number, since it uses less digits than its factorization.

1210222202011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55818.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1210222202011 its reverse (1102022220121), we get a palindrome (2312244422132).

The spelling of 1210222202011 in words is "one trillion, two hundred ten billion, two hundred twenty-two million, two hundred two thousand, eleven".