121020010010211 has 32 divisors (see below), whose sum is σ = 177052610064960. Its totient is φ = 73068039442944.

The previous prime is 121020010010171. The next prime is 121020010010219. The reversal of 121020010010211 is 112010010020121.

It is not a de Polignac number, because 121020010010211 - 2¹⁹ = 121020009485923 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121020010010219) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 345172945 + ... + 345523373.

It is an arithmetic number, because the mean of its divisors is an integer number (5532894064530).

Almost surely, 2^{121020010010211} is an apocalyptic number.

121020010010211 is a deficient number, since it is larger than the sum of its proper divisors (56032600054749).

121020010010211 is a wasteful number, since it uses less digits than its factorization.

121020010010211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517575.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 121020010010211 its reverse (112010010020121), we get a palindrome (233030020030332).

The spelling of 121020010010211 in words is "one hundred twenty-one trillion, twenty billion, ten million, ten thousand, two hundred eleven".