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1101010212001 = 7157287173143
BaseRepresentation
bin10000000001011001010…
…100101001010010100001
310220020220021221212002001
4100001121110221102201
5121014332103241001
62201444101524001
7142355026250020
oct20013124512241
93806807855061
101101010212001
11394a3261a247
12159472113601
137ca9517c65b
143b4097128b7
151d98e4ed001
hex100595294a1

1101010212001 has 4 divisors (see below), whose sum is σ = 1258297385152. Its totient is φ = 943723038852.

The previous prime is 1101010211963. The next prime is 1101010212011. The reversal of 1101010212001 is 1002120101011.

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 1101010212001 - 213 = 1101010203809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1101010212011) 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, 78643586565 + ... + 78643586578.

It is an arithmetic number, because the mean of its divisors is an integer number (314574346288).

Almost surely, 21101010212001 is an apocalyptic number.

It is an amenable number.

1101010212001 is a deficient number, since it is larger than the sum of its proper divisors (157287173151).

1101010212001 is an equidigital number, since it uses as much as digits as its factorization.

1101010212001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157287173150.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 1101010212001 its reverse (1002120101011), we get a palindrome (2103130313012).

The spelling of 1101010212001 in words is "one trillion, one hundred one billion, ten million, two hundred twelve thousand, one".

Divisors: 1 7 157287173143 1101010212001