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3321002121 = 310712781463
BaseRepresentation
bin1100010111110010…
…0111100010001001
322120110001101110120
43011330213202021
523300134031441
61305312333453
7145204023633
oct30574474211
98513041416
103321002121
11145468a058
12788244289
1340c056918
142370c5a53
15146850966
hexc5f27889

3321002121 has 16 divisors (see below), whose sum is σ = 4504633344. Its totient is φ = 2176012944.

The previous prime is 3321002107. The next prime is 3321002123. The reversal of 3321002121 is 1212001233.

3321002121 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3321002121 - 26 = 3321002057 is a prime.

It is a super-2 number, since 2×33210021212 = 22058110175372997282, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3321002121.

It is not an unprimeable number, because it can be changed into a prime (3321002123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36 + ... + 81498.

It is an arithmetic number, because the mean of its divisors is an integer number (281539584).

Almost surely, 23321002121 is an apocalyptic number.

It is an amenable number.

3321002121 is a deficient number, since it is larger than the sum of its proper divisors (1183631223).

3321002121 is a wasteful number, since it uses less digits than its factorization.

3321002121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81700.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 3321002121 is about 57628.1365393676. The cubic root of 3321002121 is about 1491.9572675998.

Adding to 3321002121 its reverse (1212001233), we get a palindrome (4533003354).

The spelling of 3321002121 in words is "three billion, three hundred twenty-one million, two thousand, one hundred twenty-one".

Divisors: 1 3 107 127 321 381 13589 40767 81463 244389 8716541 10345801 26149623 31037403 1107000707 3321002121