121210201101 has 32 divisors (see below), whose sum is σ = 180559466496. Its totient is φ = 71708840000.

The previous prime is 121210201087. The next prime is 121210201121. The reversal of 121210201101 is 101102012121.

It is a cyclic number.

It is not a de Polignac number, because 121210201101 - 2³³ = 112620266509 is a prime.

It is a super-2 number, since 2×121210201101² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121210201121) 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, 19461 + ... + 492746.

It is an arithmetic number, because the mean of its divisors is an integer number (5642483328).

Almost surely, 2^121210201101 is an apocalyptic number.

121210201101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

121210201101 is a deficient number, since it is larger than the sum of its proper divisors (59349265395).

121210201101 is a wasteful number, since it uses less digits than its factorization.

121210201101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512393.

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

Adding to 121210201101 its reverse (101102012121), we get a palindrome (222312213222).

It can be divided in two parts, 12121020 and 1101, that added together give a palindrome (12122121).

The spelling of 121210201101 in words is "one hundred twenty-one billion, two hundred ten million, two hundred one thousand, one hundred one".