210100021211011 has 4 divisors (see below), whose sum is σ = 210135758590800. Its totient is φ = 210064283831224.

The previous prime is 210100021210993. The next prime is 210100021211051. The reversal of 210100021211011 is 110112120001012.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-210100021211011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210100021210982 and 210100021211000.

It is not an unprimeable number, because it can be changed into a prime (210100021211051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17868681076 + ... + 17868692833.

It is an arithmetic number, because the mean of its divisors is an integer number (52533939647700).

Almost surely, 2^{210100021211011} is an apocalyptic number.

210100021211011 is a deficient number, since it is larger than the sum of its proper divisors (35737379789).

210100021211011 is an equidigital number, since it uses as much as digits as its factorization.

210100021211011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35737379788.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 210100021211011 its reverse (110112120001012), we get a palindrome (320212141212023).

The spelling of 210100021211011 in words is "two hundred ten trillion, one hundred billion, twenty-one million, two hundred eleven thousand, eleven".