121021011201101 has 16 divisors (see below), whose sum is σ = 134882678891520. Its totient is φ = 107661457812480.

The previous prime is 121021011201073. The next prime is 121021011201113. The reversal of 121021011201101 is 101102110120121.

It is not a de Polignac number, because 121021011201101 - 2⁴⁶ = 50652267023437 is a prime.

It is a super-2 number, since 2×121021011201101² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121021011201191) 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, 637105901 + ... + 637295826.

It is an arithmetic number, because the mean of its divisors is an integer number (8430167430720).

Almost surely, 2^{121021011201101} is an apocalyptic number.

121021011201101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

121021011201101 is a deficient number, since it is larger than the sum of its proper divisors (13861667690419).

121021011201101 is a wasteful number, since it uses less digits than its factorization.

121021011201101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1274401924.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 121021011201101 its reverse (101102110120121), we get a palindrome (222123121321222).

The spelling of 121021011201101 in words is "one hundred twenty-one trillion, twenty-one billion, eleven million, two hundred one thousand, one hundred one".