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2212210212101 = 9638712295131
BaseRepresentation
bin100000001100010010000…
…000001111110100000101
321211111002201210120121022
4200030102000033310011
5242221101303241401
64412135250200525
7315553426355051
oct40142200176405
97744081716538
102212210212101
11783213aa106a
122b88a8883145
131307c2439606
147910046cc61
153c82839771b
hex2031200fd05

2212210212101 has 4 divisors (see below), whose sum is σ = 2212213471104. Its totient is φ = 2212206953100.

The previous prime is 2212210212071. The next prime is 2212210212133. The reversal of 2212210212101 is 1012120122122.

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 2212210212101 - 226 = 2212143103237 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2212210212101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212210212181) 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, 183695 + ... + 2111436.

It is an arithmetic number, because the mean of its divisors is an integer number (553053367776).

Almost surely, 22212210212101 is an apocalyptic number.

It is an amenable number.

2212210212101 is a deficient number, since it is larger than the sum of its proper divisors (3259003).

2212210212101 is an equidigital number, since it uses as much as digits as its factorization.

2212210212101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3259002.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 2212210212101 its reverse (1012120122122), we get a palindrome (3224330334223).

The spelling of 2212210212101 in words is "two trillion, two hundred twelve billion, two hundred ten million, two hundred twelve thousand, one hundred one".

Divisors: 1 963871 2295131 2212210212101