2012221010101 has 4 divisors (see below), whose sum is σ = 2012267406304. Its totient is φ = 2012174613900.

The previous prime is 2012221010089. The next prime is 2012221010119. The reversal of 2012221010101 is 1010101222102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2012221010101 - 2³⁷ = 1874782056629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012221010171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23132985 + ... + 23219806.

It is an arithmetic number, because the mean of its divisors is an integer number (503066851576).

Almost surely, 2^{2012221010101} is an apocalyptic number.

It is an amenable number.

2012221010101 is a deficient number, since it is larger than the sum of its proper divisors (46396203).

2012221010101 is an equidigital number, since it uses as much as digits as its factorization.

2012221010101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46396202.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2012221010101 its reverse (1010101222102), we get a palindrome (3022322232203).

The spelling of 2012221010101 in words is "two trillion, twelve billion, two hundred twenty-one million, ten thousand, one hundred one".