101201220212051 has 2 divisors, whose sum is σ = 101201220212052. Its totient is φ = 101201220212050.

The previous prime is 101201220212003. The next prime is 101201220212119. The reversal of 101201220212051 is 150212022102101.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101201220212051 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (101201220211051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50600610106025 + 50600610106026.

It is an arithmetic number, because the mean of its divisors is an integer number (50600610106026).

Almost surely, 2^{101201220212051} is an apocalyptic number.

101201220212051 is a deficient number, since it is larger than the sum of its proper divisors (1).

101201220212051 is an equidigital number, since it uses as much as digits as its factorization.

101201220212051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 160, while the sum is 20.

Adding to 101201220212051 its reverse (150212022102101), we get a palindrome (251413242314152).

The spelling of 101201220212051 in words is "one hundred one trillion, two hundred one billion, two hundred twenty million, two hundred twelve thousand, fifty-one".