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2212012020101 = 13170154770777
BaseRepresentation
bin100000001100000110001…
…100001101000110000101
321211110120220212101021212
4200030012030031012011
5242220200034120401
64412103450221205
7315545501640602
oct40140614150605
97743526771255
102212012020101
11783122133524
122b8852424805
13130790366240
14790c1ddb6a9
153c815c98dbb
hex2030630d185

2212012020101 has 4 divisors (see below), whose sum is σ = 2382166790892. Its totient is φ = 2041857249312.

The previous prime is 2212012020089. The next prime is 2212012020107. The reversal of 2212012020101 is 1010202102122.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 648949469476 + 1563062550625 = 805574^2 + 1250225^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2212012020101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212012020107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85077385376 + ... + 85077385401.

It is an arithmetic number, because the mean of its divisors is an integer number (595541697723).

Almost surely, 22212012020101 is an apocalyptic number.

It is an amenable number.

2212012020101 is a deficient number, since it is larger than the sum of its proper divisors (170154770791).

2212012020101 is a wasteful number, since it uses less digits than its factorization.

2212012020101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170154770790.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2212012020101 its reverse (1010202102122), we get a palindrome (3222214122223).

The spelling of 2212012020101 in words is "two trillion, two hundred twelve billion, twelve million, twenty thousand, one hundred one".

Divisors: 1 13 170154770777 2212012020101