1102001220101 has 2 divisors, whose sum is σ = 1102001220102. Its totient is φ = 1102001220100.

The previous prime is 1102001220097. The next prime is 1102001220113. The reversal of 1102001220101 is 1010221002011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1041571289476 + 60429930625 = 1020574^2 + 245825^2 .

It is a cyclic number.

It is not a de Polignac number, because 1102001220101 - 2² = 1102001220097 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1102201220101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551000610050 + 551000610051.

It is an arithmetic number, because the mean of its divisors is an integer number (551000610051).

Almost surely, 2^{1102001220101} is an apocalyptic number.

It is an amenable number.

1102001220101 is a deficient number, since it is larger than the sum of its proper divisors (1).

1102001220101 is an equidigital number, since it uses as much as digits as its factorization.

1102001220101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1102001220101 its reverse (1010221002011), we get a palindrome (2112222222112).

The spelling of 1102001220101 in words is "one trillion, one hundred two billion, one million, two hundred twenty thousand, one hundred one".