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7020021012121 = 131035242734139
BaseRepresentation
bin110011000100111100111…
…0110111101011010011001
3220212002220100000202211201
41212021321312331122121
51410004000334341441
622532541513154201
71323115444030015
oct146117166753231
926762810022751
107020021012121
1122671a0939057
1295463a9bb961
133bbca647c270
141a3ab122b545
15c291821ac31
hex66279dbd699

7020021012121 has 8 divisors (see below), whose sum is σ = 7633420907840. Its totient is φ = 6417106584912.

The previous prime is 7020021012107. The next prime is 7020021012131. The reversal of 7020021012121 is 1212101200207.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7020021012121 - 211 = 7020021010073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7020021012131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2621365731 + ... + 2621368408.

It is an arithmetic number, because the mean of its divisors is an integer number (954177613480).

Almost surely, 27020021012121 is an apocalyptic number.

It is an amenable number.

7020021012121 is a deficient number, since it is larger than the sum of its proper divisors (613399895719).

7020021012121 is a wasteful number, since it uses less digits than its factorization.

7020021012121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5242734255.

The product of its (nonzero) digits is 112, while the sum is 19.

Adding to 7020021012121 its reverse (1212101200207), we get a palindrome (8232122212328).

The spelling of 7020021012121 in words is "seven trillion, twenty billion, twenty-one million, twelve thousand, one hundred twenty-one".

Divisors: 1 13 103 1339 5242734139 68155543807 540001616317 7020021012121