210120001011011 has 12 divisors (see below), whose sum is σ = 263227254014592. Its totient is φ = 166248792008208.

The previous prime is 210120001010963. The next prime is 210120001011013. The reversal of 210120001011011 is 110110100021012.

It is a de Polignac number, because none of the positive numbers 2^k-210120001011011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 210120001010983 and 210120001011001.

It is not an unprimeable number, because it can be changed into a prime (210120001011013) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 164929356515 + ... + 164929357788.

It is an arithmetic number, because the mean of its divisors is an integer number (21935604501216).

Almost surely, 2^{210120001011011} is an apocalyptic number.

210120001011011 is a deficient number, since it is larger than the sum of its proper divisors (53107253003581).

210120001011011 is a wasteful number, since it uses less digits than its factorization.

210120001011011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329858714330 (or 329858714323 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 210120001011011 its reverse (110110100021012), we get a palindrome (320230101032023).

The spelling of 210120001011011 in words is "two hundred ten trillion, one hundred twenty billion, one million, eleven thousand, eleven".