102121202222000 has 320 divisors, whose sum is σ = 268168217885568. Its totient is φ = 37388482560000.

The previous prime is 102121202221979. The next prime is 102121202222009. The reversal of 102121202222000 is 222202121201.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 102121202222000.

It is not an unprimeable number, because it can be changed into a prime (102121202222009) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4499314652 + ... + 4499337348.

Almost surely, 2^{102121202222000} is an apocalyptic number.

102121202222000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102121202222000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134084108942784).

102121202222000 is an abundant number, since it is smaller than the sum of its proper divisors (166047015663568).

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

102121202222000 is a wasteful number, since it uses less digits than its factorization.

102121202222000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24185 (or 24169 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 102121202222000 its reverse (222202121201), we get a palindrome (102343404343201).

The spelling of 102121202222000 in words is "one hundred two trillion, one hundred twenty-one billion, two hundred two million, two hundred twenty-two thousand".