121022021101 has 8 divisors (see below), whose sum is σ = 123851525600. Its totient is φ = 118193200272.

The previous prime is 121022021059. The next prime is 121022021119. The reversal of 121022021101 is 101120220121.

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

It is a cyclic number.

It is not a de Polignac number, because 121022021101 - 2²⁹ = 120485150189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121022021171) 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, 196375 + ... + 529723.

It is an arithmetic number, because the mean of its divisors is an integer number (15481440700).

Almost surely, 2^121022021101 is an apocalyptic number.

It is an amenable number.

121022021101 is a deficient number, since it is larger than the sum of its proper divisors (2829504499).

121022021101 is an equidigital number, since it uses as much as digits as its factorization.

121022021101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341835.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 121022021101 its reverse (101120220121), we get a palindrome (222142241222).

It can be divided in two parts, 1210220 and 21101, that added together give a palindrome (1231321).

The spelling of 121022021101 in words is "one hundred twenty-one billion, twenty-two million, twenty-one thousand, one hundred one".