20122101201 has 16 divisors (see below), whose sum is σ = 27563678784. Its totient is φ = 13047868224.

The previous prime is 20122101199. The next prime is 20122101203. The reversal of 20122101201 is 10210122102.

It is an interprime number because it is at equal distance from previous prime (20122101199) and next prime (20122101203).

It is not a de Polignac number, because 20122101201 - 2¹ = 20122101199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20122101203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 327235 + ... + 383831.

It is an arithmetic number, because the mean of its divisors is an integer number (1722729924).

Almost surely, 2^20122101201 is an apocalyptic number.

It is an amenable number.

20122101201 is a deficient number, since it is larger than the sum of its proper divisors (7441577583).

20122101201 is a wasteful number, since it uses less digits than its factorization.

20122101201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59840.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20122101201 its reverse (10210122102), we get a palindrome (30332223303).

It can be divided in two parts, 20 and 122101201, that added together give a palindrome (122101221).

The spelling of 20122101201 in words is "twenty billion, one hundred twenty-two million, one hundred one thousand, two hundred one".