122100001211001 has 8 divisors (see below), whose sum is σ = 177600001761504. Its totient is φ = 74000000733920.

The previous prime is 122100001210963. The next prime is 122100001211029. The reversal of 122100001211001 is 100112100001221.

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 122100001211001 - 2¹¹ = 122100001208953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122100001201001) 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, 1850000018316 + ... + 1850000018381.

It is an arithmetic number, because the mean of its divisors is an integer number (22200000220188).

Almost surely, 2^{122100001211001} is an apocalyptic number.

122100001211001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

122100001211001 is a deficient number, since it is larger than the sum of its proper divisors (55500000550503).

122100001211001 is a wasteful number, since it uses less digits than its factorization.

122100001211001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3700000036711.

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

Adding to 122100001211001 its reverse (100112100001221), we get a palindrome (222212101212222).

The spelling of 122100001211001 in words is "one hundred twenty-two trillion, one hundred billion, one million, two hundred eleven thousand, one".