1220213313102 has 128 divisors (see below), whose sum is σ = 2847419596800. Its totient is φ = 341386897536.

The previous prime is 1220213313091. The next prime is 1220213313113. The reversal of 1220213313102 is 2013133120221.

It is an interprime number because it is at equal distance from previous prime (1220213313091) and next prime (1220213313113).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1122550803 + ... + 1122551889.

It is an arithmetic number, because the mean of its divisors is an integer number (22245465600).

Almost surely, 2^{1220213313102} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1220213313102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1423709798400).

1220213313102 is an abundant number, since it is smaller than the sum of its proper divisors (1627206283698).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1220213313102 is a wasteful number, since it uses less digits than its factorization.

1220213313102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2510.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1220213313102 its reverse (2013133120221), we get a palindrome (3233346433323).

The spelling of 1220213313102 in words is "one trillion, two hundred twenty billion, two hundred thirteen million, three hundred thirteen thousand, one hundred two".