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101210211201101 is a prime number
BaseRepresentation
bin10111000000110011010110…
…101011111011000001001101
3111021100121020122012101211112
4113000303112223323001031
5101231212003031413401
6555131155032501405
730214124245466012
oct2700632653730115
9437317218171745
10101210211201101
112a281011750842
12b427272b4a865
13446210b0c7882
141adc859559709
15ba7a9ab863bb
hex5c0cd6afb04d

101210211201101 has 2 divisors, whose sum is σ = 101210211201102. Its totient is φ = 101210211201100.

The previous prime is 101210211201061. The next prime is 101210211201131. The reversal of 101210211201101 is 101102112012101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 98986381656100 + 2223829545001 = 9949190^2 + 1491251^2 .

It is an emirp because it is prime and its reverse (101102112012101) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-101210211201101 is a prime.

It is a super-2 number, since 2×1012102112011012 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101210211201131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50605105600550 + 50605105600551.

It is an arithmetic number, because the mean of its divisors is an integer number (50605105600551).

Almost surely, 2101210211201101 is an apocalyptic number.

It is an amenable number.

101210211201101 is a deficient number, since it is larger than the sum of its proper divisors (1).

101210211201101 is an equidigital number, since it uses as much as digits as its factorization.

101210211201101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 101210211201101 its reverse (101102112012101), we get a palindrome (202312323213202).

The spelling of 101210211201101 in words is "one hundred one trillion, two hundred ten billion, two hundred eleven million, two hundred one thousand, one hundred one".