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1202111120201 = 3138777778071
BaseRepresentation
bin10001011111100011011…
…010000000001101001001
311020220212012011010110112
4101133203122000031021
5124143410421321301
62320124153124105
7152564301633305
oct21374332001511
94226765133415
101202111120201
114238a342aa32
12174b886b9635
1389487a9a264
144227aa6ad05
152140a1ec9bb
hex117e3680349

1202111120201 has 4 divisors (see below), whose sum is σ = 1240888898304. Its totient is φ = 1163333342100.

The previous prime is 1202111120173. The next prime is 1202111120219. The reversal of 1202111120201 is 1020211112021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1202111120201 - 234 = 1184931251017 is a prime.

It is a super-2 number, since 2×12021111202012 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1202111120701) 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, 19388889005 + ... + 19388889066.

It is an arithmetic number, because the mean of its divisors is an integer number (310222224576).

Almost surely, 21202111120201 is an apocalyptic number.

It is an amenable number.

1202111120201 is a deficient number, since it is larger than the sum of its proper divisors (38777778103).

1202111120201 is an equidigital number, since it uses as much as digits as its factorization.

1202111120201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38777778102.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1202111120201 its reverse (1020211112021), we get a palindrome (2222322232222).

It can be divided in two parts, 120211112020 and 1, that added together give a palindrome (120211112021).

The spelling of 1202111120201 in words is "one trillion, two hundred two billion, one hundred eleven million, one hundred twenty thousand, two hundred one".

Divisors: 1 31 38777778071 1202111120201