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2022101021 is a prime number
BaseRepresentation
bin111100010000110…
…1101000000011101
312012220221101010102
41320201231000131
513120124213041
6532352350445
7101052401153
oct17041550035
95186841112
102022101021
11948472476
12485245425
13262c14ba5
141527ad3d3
15bc7cb09b
hex7886d01d

2022101021 has 2 divisors, whose sum is σ = 2022101022. Its totient is φ = 2022101020.

The previous prime is 2022100999. The next prime is 2022101027. The reversal of 2022101021 is 1201012202.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1756867225 + 265233796 = 41915^2 + 16286^2 .

It is a cyclic number.

It is not a de Polignac number, because 2022101021 - 210 = 2022099997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2022100993 and 2022101011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2022101027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1011050510 + 1011050511.

It is an arithmetic number, because the mean of its divisors is an integer number (1011050511).

Almost surely, 22022101021 is an apocalyptic number.

It is an amenable number.

2022101021 is a deficient number, since it is larger than the sum of its proper divisors (1).

2022101021 is an equidigital number, since it uses as much as digits as its factorization.

2022101021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 2022101021 is about 44967.7775857335. Note that the first 3 decimals coincide. The cubic root of 2022101021 is about 1264.5449828149.

Adding to 2022101021 its reverse (1201012202), we get a palindrome (3223113223).

The spelling of 2022101021 in words is "two billion, twenty-two million, one hundred one thousand, twenty-one".