121010210011 has 4 divisors (see below), whose sum is σ = 121068869472. Its totient is φ = 120951550552.

The previous prime is 121010209951. The next prime is 121010210071. The reversal of 121010210011 is 110012010121.

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

It is an interprime number because it is at equal distance from previous prime (121010209951) and next prime (121010210071).

It is a cyclic number.

It is not a de Polignac number, because 121010210011 - 2⁹ = 121010209499 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 121010210011.

It is not an unprimeable number, because it can be changed into a prime (121010210071) 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, 29326636 + ... + 29330761.

It is an arithmetic number, because the mean of its divisors is an integer number (30267217368).

Almost surely, 2^121010210011 is an apocalyptic number.

121010210011 is a deficient number, since it is larger than the sum of its proper divisors (58659461).

121010210011 is an equidigital number, since it uses as much as digits as its factorization.

121010210011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58659460.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 121010210011 its reverse (110012010121), we get a palindrome (231022220132).

The spelling of 121010210011 in words is "one hundred twenty-one billion, ten million, two hundred ten thousand, eleven".