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1022220121201 = 6433687143117
BaseRepresentation
bin11101110000000010001…
…00010011010001110001
310121201112021111112110221
432320001010103101301
5113222001322334301
62101333524453041
7133565365444336
oct16700104232161
93551467445427
101022220121201
11364580677924
1214614354a181
13755198cb456
143769352698d
151b8cc375da1
hexee01113471

1022220121201 has 8 divisors (see below), whose sum is σ = 1023861401024. Its totient is φ = 1020579002640.

The previous prime is 1022220121187. The next prime is 1022220121261. The reversal of 1022220121201 is 1021210222201.

It is a happy number.

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 1022220121201 - 27 = 1022220121073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1022220121261) 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, 23686495 + ... + 23729611.

It is an arithmetic number, because the mean of its divisors is an integer number (127982675128).

Almost surely, 21022220121201 is an apocalyptic number.

It is an amenable number.

1022220121201 is a deficient number, since it is larger than the sum of its proper divisors (1641279823).

1022220121201 is an equidigital number, since it uses as much as digits as its factorization.

1022220121201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80631.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1022220121201 its reverse (1021210222201), we get a palindrome (2043430343402).

The spelling of 1022220121201 in words is "one trillion, twenty-two billion, two hundred twenty million, one hundred twenty-one thousand, two hundred one".

Divisors: 1 643 36871 43117 23708053 27724231 1589766907 1022220121201