1101212222001 has 8 divisors (see below), whose sum is σ = 1474751170464. Its totient is φ = 730907377440.

The previous prime is 1101212221979. The next prime is 1101212222009. The reversal of 1101212222001 is 1002222121011.

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

It is not a de Polignac number, because 1101212222001 - 2⁹ = 1101212221489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1101212222009) 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, 808525180 + ... + 808526541.

It is an arithmetic number, because the mean of its divisors is an integer number (184343896308).

Almost surely, 2^{1101212222001} is an apocalyptic number.

It is an amenable number.

1101212222001 is a deficient number, since it is larger than the sum of its proper divisors (373538948463).

1101212222001 is a wasteful number, since it uses less digits than its factorization.

1101212222001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1617051951.

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

Adding to 1101212222001 its reverse (1002222121011), we get a palindrome (2103434343012).

The spelling of 1101212222001 in words is "one trillion, one hundred one billion, two hundred twelve million, two hundred twenty-two thousand, one".