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1022222021001 = 31392838662091
BaseRepresentation
bin11101110000000010010…
…11100011000110001001
310121201112102002001111220
432320001023203012021
5113222002314133001
62101334033312253
7133565420546166
oct16700113430611
93551472061456
101022222021001
11364581755205
12146144105689
137551a1150ac
143769389d06d
151b8cc5edc36
hexee012e3189

1022222021001 has 16 divisors (see below), whose sum is σ = 1377619111680. Its totient is φ = 674187788880.

The previous prime is 1022222020997. The next prime is 1022222021017. The reversal of 1022222021001 is 1001202222201.

It is not a de Polignac number, because 1022222021001 - 22 = 1022222020997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1022222021701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4213035 + ... + 4449056.

It is an arithmetic number, because the mean of its divisors is an integer number (86101194480).

Almost surely, 21022222021001 is an apocalyptic number.

It is an amenable number.

1022222021001 is a deficient number, since it is larger than the sum of its proper divisors (355397090679).

1022222021001 is a wasteful number, since it uses less digits than its factorization.

1022222021001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8662516.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 1022222021001 its reverse (1001202222201), we get a palindrome (2023424243202).

The spelling of 1022222021001 in words is "one trillion, twenty-two billion, two hundred twenty-two million, twenty-one thousand, one".

Divisors: 1 3 139 283 417 849 39337 118011 8662091 25986273 1204030649 2451371753 3612091947 7354115259 340740673667 1022222021001