102021101012099 has 2 divisors, whose sum is σ = 102021101012100. Its totient is φ = 102021101012098.

The previous prime is 102021101012071. The next prime is 102021101012191. The reversal of 102021101012099 is 990210101120201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102021101012099 - 2¹⁶ = 102021100946563 is a prime.

It is a super-3 number, since 3×102021101012099³ (a number of 43 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (102021101012029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51010550506049 + 51010550506050.

It is an arithmetic number, because the mean of its divisors is an integer number (51010550506050).

Almost surely, 2^{102021101012099} is an apocalyptic number.

102021101012099 is a deficient number, since it is larger than the sum of its proper divisors (1).

102021101012099 is an equidigital number, since it uses as much as digits as its factorization.

102021101012099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 29.

The spelling of 102021101012099 in words is "one hundred two trillion, twenty-one billion, one hundred one million, twelve thousand, ninety-nine".