101210120012011 has 4 divisors (see below), whose sum is σ = 103119744917952. Its totient is φ = 99300495106072.

The previous prime is 101210120012009. The next prime is 101210120012017. The reversal of 101210120012011 is 110210021012101.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 101210120012011 - 2¹ = 101210120012009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101210120011982 and 101210120012000.

It is not an unprimeable number, because it can be changed into a prime (101210120012017) 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, 954812452891 + ... + 954812452996.

It is an arithmetic number, because the mean of its divisors is an integer number (25779936229488).

Almost surely, 2^{101210120012011} is an apocalyptic number.

101210120012011 is a deficient number, since it is larger than the sum of its proper divisors (1909624905941).

101210120012011 is an equidigital number, since it uses as much as digits as its factorization.

101210120012011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1909624905940.

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

Adding to 101210120012011 its reverse (110210021012101), we get a palindrome (211420141024112).

The spelling of 101210120012011 in words is "one hundred one trillion, two hundred ten billion, one hundred twenty million, twelve thousand, eleven".