1210001202011 has 8 divisors (see below), whose sum is σ = 1403498196480. Its totient is φ = 1021664127528.

The previous prime is 1210001201987. The next prime is 1210001202037. The reversal of 1210001202011 is 1102021000121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1210001202011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1210001201983 and 1210001202001.

It is not an unprimeable number, because it can be changed into a prime (1210001202061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1289979491 + ... + 1289980428.

It is an arithmetic number, because the mean of its divisors is an integer number (175437274560).

Almost surely, 2^{1210001202011} is an apocalyptic number.

1210001202011 is a deficient number, since it is larger than the sum of its proper divisors (193496994469).

1210001202011 is an equidigital number, since it uses as much as digits as its factorization.

1210001202011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2579959993.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1210001202011 its reverse (1102021000121), we get a palindrome (2312022202132).

The spelling of 1210001202011 in words is "one trillion, two hundred ten billion, one million, two hundred two thousand, eleven".