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2101012222031 is a prime number
BaseRepresentation
bin11110100100101110000…
…101100101000001001111
321102212002011011101210122
4132210232011211001033
5233410333112101111
64245105223255155
7304536020140142
oct36445605450117
97385064141718
102101012222031
11740041698318
1229b2348aa4bb
131231809a0058
1473992120059
15399bb00ecdb
hex1e92e16504f

2101012222031 has 2 divisors, whose sum is σ = 2101012222032. Its totient is φ = 2101012222030.

The previous prime is 2101012222009. The next prime is 2101012222051. The reversal of 2101012222031 is 1302222101012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2101012222031 - 26 = 2101012221967 is a prime.

It is a super-2 number, since 2×21010122220312 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2101012222051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050506111015 + 1050506111016.

It is an arithmetic number, because the mean of its divisors is an integer number (1050506111016).

Almost surely, 22101012222031 is an apocalyptic number.

2101012222031 is a deficient number, since it is larger than the sum of its proper divisors (1).

2101012222031 is an equidigital number, since it uses as much as digits as its factorization.

2101012222031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 2101012222031 its reverse (1302222101012), we get a palindrome (3403234323043).

The spelling of 2101012222031 in words is "two trillion, one hundred one billion, twelve million, two hundred twenty-two thousand, thirty-one".