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101221200007 is a prime number
BaseRepresentation
bin101111001000101000…
…0001111000010000111
3100200021021112201201121
41132101100033002013
53124300111400012
6114300025334411
710212233001244
oct1362120170207
9320237481647
10101221200007
1139a22801804
121774a937407
1397118175b5
144c8330c5cb
152976561a07
hex179140f087

101221200007 has 2 divisors, whose sum is σ = 101221200008. Its totient is φ = 101221200006.

The previous prime is 101221199953. The next prime is 101221200011. The reversal of 101221200007 is 700002122101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 101221200007 - 27 = 101221199879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101221200307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50610600003 + 50610600004.

It is an arithmetic number, because the mean of its divisors is an integer number (50610600004).

Almost surely, 2101221200007 is an apocalyptic number.

101221200007 is a deficient number, since it is larger than the sum of its proper divisors (1).

101221200007 is an equidigital number, since it uses as much as digits as its factorization.

101221200007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56, while the sum is 16.

Adding to 101221200007 its reverse (700002122101), we get a palindrome (801223322108).

The spelling of 101221200007 in words is "one hundred one billion, two hundred twenty-one million, two hundred thousand, seven".