1211010122201 has 8 divisors (see below), whose sum is σ = 1326629577600. Its totient is φ = 1096311937840.

The previous prime is 1211010122177. The next prime is 1211010122219. The reversal of 1211010122201 is 1022210101121.

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 1211010122201 - 2¹⁴ = 1211010105817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1211016122201) 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, 230315006 + ... + 230320263.

It is an arithmetic number, because the mean of its divisors is an integer number (165828697200).

Almost surely, 2^{1211010122201} is an apocalyptic number.

1211010122201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1211010122201 is a deficient number, since it is larger than the sum of its proper divisors (115619455399).

1211010122201 is a wasteful number, since it uses less digits than its factorization.

1211010122201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460635519.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1211010122201 its reverse (1022210101121), we get a palindrome (2233220223322).

The spelling of 1211010122201 in words is "one trillion, two hundred eleven billion, ten million, one hundred twenty-two thousand, two hundred one".