10121220202011 has 4 divisors (see below), whose sum is σ = 13494960269352. Its totient is φ = 6747480134672.

The previous prime is 10121220201977. The next prime is 10121220202057. The reversal of 10121220202011 is 11020202212101.

10121220202011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 10121220202011 - 2¹⁷ = 10121220070939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10121220202081) 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, 1686870033666 + ... + 1686870033671.

It is an arithmetic number, because the mean of its divisors is an integer number (3373740067338).

Almost surely, 2^{10121220202011} is an apocalyptic number.

10121220202011 is a deficient number, since it is larger than the sum of its proper divisors (3373740067341).

10121220202011 is an equidigital number, since it uses as much as digits as its factorization.

10121220202011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3373740067340.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 10121220202011 its reverse (11020202212101), we get a palindrome (21141422414112).

The spelling of 10121220202011 in words is "ten trillion, one hundred twenty-one billion, two hundred twenty million, two hundred two thousand, eleven".