2001220101151 has 2 divisors, whose sum is σ = 2001220101152. Its totient is φ = 2001220101150.

The previous prime is 2001220101121. The next prime is 2001220101217. The reversal of 2001220101151 is 1511010221002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2001220101151 - 2⁵ = 2001220101119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2001220101121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000610050575 + 1000610050576.

It is an arithmetic number, because the mean of its divisors is an integer number (1000610050576).

Almost surely, 2^{2001220101151} is an apocalyptic number.

2001220101151 is a deficient number, since it is larger than the sum of its proper divisors (1).

2001220101151 is an equidigital number, since it uses as much as digits as its factorization.

2001220101151 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40, while the sum is 16.

Adding to 2001220101151 its reverse (1511010221002), we get a palindrome (3512230322153).

The spelling of 2001220101151 in words is "two trillion, one billion, two hundred twenty million, one hundred one thousand, one hundred fifty-one".