2121020101093 has 2 divisors, whose sum is σ = 2121020101094. Its totient is φ = 2121020101092.

The previous prime is 2121020101063. The next prime is 2121020101127. The reversal of 2121020101093 is 3901010201212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1808815186084 + 312204915009 = 1344922^2 + 558753^2 .

It is a cyclic number.

It is not a de Polignac number, because 2121020101093 - 2¹⁷ = 2121019970021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2121020101063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060510050546 + 1060510050547.

It is an arithmetic number, because the mean of its divisors is an integer number (1060510050547).

Almost surely, 2^{2121020101093} is an apocalyptic number.

It is an amenable number.

2121020101093 is a deficient number, since it is larger than the sum of its proper divisors (1).

2121020101093 is an equidigital number, since it uses as much as digits as its factorization.

2121020101093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 22.

The spelling of 2121020101093 in words is "two trillion, one hundred twenty-one billion, twenty million, one hundred one thousand, ninety-three".