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1021212022001 = 59154391121101
BaseRepresentation
bin11101101110001001111…
…10101101010011110001
310121121221000120210100112
432313010332231103301
5113212420234201001
62101045513431105
7133531404651533
oct16670476552361
93547830523315
101021212022001
11364103621a96
12145b01a0b495
13753b8ab6952
14375d96ab853
151b86dae4cbb
hexedc4fad4f1

1021212022001 has 8 divisors (see below), whose sum is σ = 1038588892800. Its totient is φ = 1003837424400.

The previous prime is 1021212021979. The next prime is 1021212022007. The reversal of 1021212022001 is 1002202121201.

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 1021212022001 - 214 = 1021212005617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1021212022007) 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, 350351 + ... + 1471451.

It is an arithmetic number, because the mean of its divisors is an integer number (129823611600).

Almost surely, 21021212022001 is an apocalyptic number.

It is an amenable number.

1021212022001 is a deficient number, since it is larger than the sum of its proper divisors (17376870799).

1021212022001 is a wasteful number, since it uses less digits than its factorization.

1021212022001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1136599.

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

Adding to 1021212022001 its reverse (1002202121201), we get a palindrome (2023414143202).

The spelling of 1021212022001 in words is "one trillion, twenty-one billion, two hundred twelve million, twenty-two thousand, one".

Divisors: 1 59 15439 910901 1121101 66144959 17308678339 1021212022001