121120001211 has 32 divisors (see below), whose sum is σ = 180559653120. Its totient is φ = 71580684800.

The previous prime is 121120001183. The next prime is 121120001257. The reversal of 121120001211 is 112100021121.

It is a cyclic number.

It is not a de Polignac number, because 121120001211 - 2⁹ = 121120000699 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121120001911) 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, 2892220 + ... + 2933798.

It is an arithmetic number, because the mean of its divisors is an integer number (5642489160).

Almost surely, 2^121120001211 is an apocalyptic number.

121120001211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

121120001211 is a deficient number, since it is larger than the sum of its proper divisors (59439651909).

121120001211 is a wasteful number, since it uses less digits than its factorization.

121120001211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43787.

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

Adding to 121120001211 its reverse (112100021121), we get a palindrome (233220022332).

The spelling of 121120001211 in words is "one hundred twenty-one billion, one hundred twenty million, one thousand, two hundred eleven".