Search a number
-
+
121111220001202 = 260555610000601
BaseRepresentation
bin11011100010011001100111…
…001111110001100110110010
3120212211010020011020220211021
4123202121213033301212302
5111333241234310014302
61105325420522010054
734336665635304364
oct3342314717614662
9525733204226737
10121111220001202
1135653a86367172
12117001ba64692a
13527697b89a6c2
1421c9b58714d34
15e005aa151437
hex6e26673f19b2

121111220001202 has 4 divisors (see below), whose sum is σ = 181666830001806. Its totient is φ = 60555610000600.

The previous prime is 121111220001179. The next prime is 121111220001251. The reversal of 121111220001202 is 202100022111121.

121111220001202 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 111514043520441 + 9597176480761 = 10560021^2 + 3097931^2 .

It is a super-2 number, since 2×1211112200012022 (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30277805000299 + ... + 30277805000302.

Almost surely, 2121111220001202 is an apocalyptic number.

121111220001202 is a deficient number, since it is larger than the sum of its proper divisors (60555610000604).

121111220001202 is an equidigital number, since it uses as much as digits as its factorization.

121111220001202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60555610000603.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 121111220001202 its reverse (202100022111121), we get a palindrome (323211242112323).

The spelling of 121111220001202 in words is "one hundred twenty-one trillion, one hundred eleven billion, two hundred twenty million, one thousand, two hundred two".

Divisors: 1 2 60555610000601 121111220001202