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1020212111701 is a prime number
BaseRepresentation
bin11101101100010010110…
…00010110100101010101
310121112100100002002021201
432312021120112211111
5113203343300033301
62100402354112501
7133464543603256
oct16661130264525
93545310062251
101020212111701
1136374015a642
12145882b7b731
13752898ab553
1437542984b2d
151b810e30201
hexed89616955

1020212111701 has 2 divisors, whose sum is σ = 1020212111702. Its totient is φ = 1020212111700.

The previous prime is 1020212111693. The next prime is 1020212111707. The reversal of 1020212111701 is 1071112120201.

1020212111701 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 931661231076 + 88550880625 = 965226^2 + 297575^2 .

It is a cyclic number.

It is not a de Polignac number, because 1020212111701 - 23 = 1020212111693 is a prime.

It is a super-2 number, since 2×10202121117012 (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 (1020212111707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510106055850 + 510106055851.

It is an arithmetic number, because the mean of its divisors is an integer number (510106055851).

Almost surely, 21020212111701 is an apocalyptic number.

It is an amenable number.

1020212111701 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020212111701 is an equidigital number, since it uses as much as digits as its factorization.

1020212111701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56, while the sum is 19.

Adding to 1020212111701 its reverse (1071112120201), we get a palindrome (2091324231902).

The spelling of 1020212111701 in words is "one trillion, twenty billion, two hundred twelve million, one hundred eleven thousand, seven hundred one".