20120220101099 has 2 divisors, whose sum is σ = 20120220101100. Its totient is φ = 20120220101098.

The previous prime is 20120220101071. The next prime is 20120220101119. The reversal of 20120220101099 is 99010102202102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20120220101099 - 2⁸ = 20120220100843 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (20120220101029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10060110050549 + 10060110050550.

It is an arithmetic number, because the mean of its divisors is an integer number (10060110050550).

Almost surely, 2^{20120220101099} is an apocalyptic number.

20120220101099 is a deficient number, since it is larger than the sum of its proper divisors (1).

20120220101099 is an equidigital number, since it uses as much as digits as its factorization.

20120220101099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 29.

The spelling of 20120220101099 in words is "twenty trillion, one hundred twenty billion, two hundred twenty million, one hundred one thousand, ninety-nine".