1101020123001 has 16 divisors (see below), whose sum is σ = 1471857701184. Its totient is φ = 732099450624.

The previous prime is 1101020122997. The next prime is 1101020123009. The reversal of 1101020123001 is 1003210201011.

It is not a de Polignac number, because 1101020123001 - 2² = 1101020122997 is a prime.

It is a super-2 number, since 2×1101020123001² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1101020123009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2833845 + ... + 3198861.

It is an arithmetic number, because the mean of its divisors is an integer number (91991106324).

Almost surely, 2^{1101020123001} is an apocalyptic number.

It is an amenable number.

1101020123001 is a deficient number, since it is larger than the sum of its proper divisors (370837578183).

1101020123001 is a wasteful number, since it uses less digits than its factorization.

1101020123001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367640.

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

Adding to 1101020123001 its reverse (1003210201011), we get a palindrome (2104230324012).

The spelling of 1101020123001 in words is "one trillion, one hundred one billion, twenty million, one hundred twenty-three thousand, one".