1101122021001 has 32 divisors (see below), whose sum is σ = 1548193536000. Its totient is φ = 694204776000.

The previous prime is 1101122020993. The next prime is 1101122021003. The reversal of 1101122021001 is 1001202211011.

It is not a de Polignac number, because 1101122021001 - 2³ = 1101122020993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1101122021003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 126575950 + ... + 126584648.

It is an arithmetic number, because the mean of its divisors is an integer number (48381048000).

Almost surely, 2^{1101122021001} is an apocalyptic number.

It is an amenable number.

1101122021001 is a deficient number, since it is larger than the sum of its proper divisors (447071514999).

1101122021001 is a wasteful number, since it uses less digits than its factorization.

1101122021001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12429.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1101122021001 its reverse (1001202211011), we get a palindrome (2102324232012).

The spelling of 1101122021001 in words is "one trillion, one hundred one billion, one hundred twenty-two million, twenty-one thousand, one".