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1211122202001 = 32113919097753
BaseRepresentation
bin10001100111111100100…
…000100011010110010001
311021210010012002111211220
4101213330200203112101
5124320334240431001
62324214251555253
7153333510600645
oct21477440432621
94253105074756
101211122202001
114276a7a00078
1217688245bb29
138a29292a61a
1442893728c25
1521786367c36
hex119fc823591

1211122202001 has 8 divisors (see below), whose sum is σ = 1614906078240. Its totient is φ = 807376563552.

The previous prime is 1211122201987. The next prime is 1211122202011. The reversal of 1211122202001 is 1002022211121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1211122202001 - 218 = 1211121939857 is a prime.

It is a super-3 number, since 3×12111222020013 (a number of 37 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1211122202011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9485460 + ... + 9612293.

It is an arithmetic number, because the mean of its divisors is an integer number (201863259780).

Almost surely, 21211122202001 is an apocalyptic number.

It is an amenable number.

1211122202001 is a deficient number, since it is larger than the sum of its proper divisors (403783876239).

1211122202001 is a wasteful number, since it uses less digits than its factorization.

1211122202001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19118895.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1211122202001 its reverse (1002022211121), we get a palindrome (2213144413122).

The spelling of 1211122202001 in words is "one trillion, two hundred eleven billion, one hundred twenty-two million, two hundred two thousand, one".

Divisors: 1 3 21139 63417 19097753 57293259 403707400667 1211122202001