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1222021211041 is a prime number
BaseRepresentation
bin10001110010000110001…
…000111110001110100001
311022211020202111112112101
4101302012020332032201
5130010144412223131
62333215551330401
7154200552623341
oct21620610761641
94284222445471
101222021211041
1143129012a964
12178a04520a01
138b30b9553b7
144320902ad21
1521bc3108c61
hex11c8623e3a1

1222021211041 has 2 divisors, whose sum is σ = 1222021211042. Its totient is φ = 1222021211040.

The previous prime is 1222021210987. The next prime is 1222021211057. The reversal of 1222021211041 is 1401121202221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 994549447441 + 227471763600 = 997271^2 + 476940^2 .

It is a cyclic number.

It is not a de Polignac number, because 1222021211041 - 225 = 1221987656609 is a prime.

It is a super-2 number, since 2×12220212110412 (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1222021211941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611010605520 + 611010605521.

It is an arithmetic number, because the mean of its divisors is an integer number (611010605521).

Almost surely, 21222021211041 is an apocalyptic number.

It is an amenable number.

1222021211041 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222021211041 is an equidigital number, since it uses as much as digits as its factorization.

1222021211041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 1222021211041 its reverse (1401121202221), we get a palindrome (2623142413262).

The spelling of 1222021211041 in words is "one trillion, two hundred twenty-two billion, twenty-one million, two hundred eleven thousand, forty-one".