220212211010101 has 2 divisors, whose sum is σ = 220212211010102. Its totient is φ = 220212211010100.

The previous prime is 220212211010027. The next prime is 220212211010167. The reversal of 220212211010101 is 101010112212022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 209509008029476 + 10703202980625 = 14474426^2 + 3271575^2 .

It is a cyclic number.

It is not a de Polignac number, because 220212211010101 - 2²⁷ = 220212076792373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220212211010171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110106105505050 + 110106105505051.

It is an arithmetic number, because the mean of its divisors is an integer number (110106105505051).

Almost surely, 2^{220212211010101} is an apocalyptic number.

It is an amenable number.

220212211010101 is a deficient number, since it is larger than the sum of its proper divisors (1).

220212211010101 is an equidigital number, since it uses as much as digits as its factorization.

220212211010101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 220212211010101 its reverse (101010112212022), we get a palindrome (321222323222123).

The spelling of 220212211010101 in words is "two hundred twenty trillion, two hundred twelve billion, two hundred eleven million, ten thousand, one hundred one".