121210203011 has 8 divisors (see below), whose sum is σ = 128507601600. Its totient is φ = 114004595880.

The previous prime is 121210203001. The next prime is 121210203029. The reversal of 121210203011 is 110302012121.

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 121210203011 - 2²⁶ = 121143094147 is a prime.

It is a super-2 number, since 2×121210203011² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121210203001) 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, 22945145 + ... + 22950426.

It is an arithmetic number, because the mean of its divisors is an integer number (16063450200).

Almost surely, 2^121210203011 is an apocalyptic number.

121210203011 is a deficient number, since it is larger than the sum of its proper divisors (7297398589).

121210203011 is a wasteful number, since it uses less digits than its factorization.

121210203011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45895729.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 121210203011 its reverse (110302012121), we get a palindrome (231512215132).

The spelling of 121210203011 in words is "one hundred twenty-one billion, two hundred ten million, two hundred three thousand, eleven".