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1122217122211 = 12786631020011
BaseRepresentation
bin10000010101001001010…
…110100101100110100011
310222021122020111111212221
4100111021112211212203
5121341300040402321
62215312303331511
7144035405102413
oct20251126454643
93867566444787
101122217122211
113a2a25344819
121615b02b0b97
1381a948cab33
143c45c006643
151e2d11bbe41
hex105495a59a3

1122217122211 has 8 divisors (see below), whose sum is σ = 1131185147904. Its totient is φ = 1113251154120.

The previous prime is 1122217122203. The next prime is 1122217122233.

It is a happy number.

1122217122211 is nontrivially palindromic in base 10.

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 1122217122211 - 23 = 1122217122203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1122217122811) 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, 590196 + ... + 1610206.

It is an arithmetic number, because the mean of its divisors is an integer number (141398143488).

Almost surely, 21122217122211 is an apocalyptic number.

1122217122211 is a deficient number, since it is larger than the sum of its proper divisors (8968025693).

1122217122211 is a wasteful number, since it uses less digits than its factorization.

1122217122211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1028801.

The product of its digits is 448, while the sum is 25.

The spelling of 1122217122211 in words is "one trillion, one hundred twenty-two billion, two hundred seventeen million, one hundred twenty-two thousand, two hundred eleven".

Divisors: 1 127 8663 1020011 1100201 129541397 8836355293 1122217122211