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101211210201061 is a prime number
BaseRepresentation
bin10111000000110100010010…
…001110110011011111100101
3111021100200211020222212011001
4113000310102032303133211
5101231221024302413221
6555131442120513301
730214161066033232
oct2700642216633745
9437320736885131
10101211210201061
112a281484651244
12b4274b161b831
13446223a0747cc
141adc9120c6789
15ba7b0871b391
hex5c0d123b37e5

101211210201061 has 2 divisors, whose sum is σ = 101211210201062. Its totient is φ = 101211210201060.

The previous prime is 101211210201047. The next prime is 101211210201103. The reversal of 101211210201061 is 160102012112101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 71347061864961 + 29864148336100 = 8446719^2 + 5464810^2 .

It is a cyclic number.

It is not a de Polignac number, because 101211210201061 - 215 = 101211210168293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101211210201961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50605605100530 + 50605605100531.

It is an arithmetic number, because the mean of its divisors is an integer number (50605605100531).

Almost surely, 2101211210201061 is an apocalyptic number.

It is an amenable number.

101211210201061 is a deficient number, since it is larger than the sum of its proper divisors (1).

101211210201061 is an equidigital number, since it uses as much as digits as its factorization.

101211210201061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 19.

Adding to 101211210201061 its reverse (160102012112101), we get a palindrome (261313222313162).

The spelling of 101211210201061 in words is "one hundred one trillion, two hundred eleven billion, two hundred ten million, two hundred one thousand, sixty-one".