1210220212201 has 32 divisors (see below), whose sum is σ = 1641662846208. Its totient is φ = 861513891840.

The previous prime is 1210220212189. The next prime is 1210220212213. The reversal of 1210220212201 is 1022120220121.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1210220212189) and next prime (1210220212213).

It is not a de Polignac number, because 1210220212201 - 2⁵ = 1210220212169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1210220212241) 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, 6134920 + ... + 6329113.

It is an arithmetic number, because the mean of its divisors is an integer number (51301963944).

Almost surely, 2^{1210220212201} is an apocalyptic number.

1210220212201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1210220212201 is a deficient number, since it is larger than the sum of its proper divisors (431442634007).

1210220212201 is a wasteful number, since it uses less digits than its factorization.

1210220212201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12464161.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1210220212201 its reverse (1022120220121), we get a palindrome (2232340432322).

The spelling of 1210220212201 in words is "one trillion, two hundred ten billion, two hundred twenty million, two hundred twelve thousand, two hundred one".